See operculum in All languages combined, or Wiktionary
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"tree": "1"
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"expansion": "Etymology tree\nProto-Indo-European *h₁ep-der.\nProto-Indo-European *h₁épsder.\nProto-Indo-European *h₁épi\nProto-Indo-European *h₂wer-\nProto-Indo-European *-yeti\nLatin operiō\nLatin -culum\nLatin operculumbor.\nEnglish operculum\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"gloss\" : \"to close\", \"children\" : [ { \"terms\" : [ { \"id\" : \"near\", \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"alt\" : \"*h₁éps\", \"lang_name\" : \"Proto-Indo-European\", \"status\" : \"inline\", \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*h₁ep-\", \"status\" : \"ok\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*h₁épi\", \"lang\" : \"ine-pro\" }, { \"id\" : \"raise\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*h₂wer-\", \"lang\" : \"ine-pro\" }, { \"id\" : \"forming verbs\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-yeti\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Latin\", \"term\" : \"operiō\", \"status\" : \"ok\", \"lang\" : \"la\" }, { \"children\" : [ ], \"lang_name\" : \"Latin\", \"term\" : \"-culum\", \"status\" : \"ambiguous\", \"lang\" : \"la\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"Latin\", \"term\" : \"operculum\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"lang_name\" : \"English\", \"term\" : \"operculum\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"operculum\">\nBorrowed from Latin operculum.",
"name": "ety"
}
],
"etymology_text": "Etymology tree\nProto-Indo-European *h₁ep-der.\nProto-Indo-European *h₁épsder.\nProto-Indo-European *h₁épi\nProto-Indo-European *h₂wer-\nProto-Indo-European *-yeti\nLatin operiō\nLatin -culum\nLatin operculumbor.\nEnglish operculum\nBorrowed from Latin operculum.",
"forms": [
{
"form": "opercula",
"tags": [
"plural"
]
}
],
"head_templates": [
{
"args": {
"1": "opercula"
},
"expansion": "operculum (plural opercula)",
"name": "en-noun"
}
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"related": [
{
"word": "opercle"
}
],
"senses": [
{
"categories": [
"English terms with quotations",
"Quotation templates to be cleaned",
"en:Zoology"
],
"examples": [
{
"bold_text_offsets": [
[
81,
90
]
],
"ref": "2017 January 18, Susannah Lydon, The Guardian:",
"text": "Hyoliths […] have a small, conical calcium carbonate shell, with a lid called an operculum.",
"type": "quotation"
},
{
"bold_text_offsets": [
[
71,
80
]
],
"ref": "2023, translated in 2025, Berta Páramo and translated by Marc Correa Haro, Lice: How to Survive on Humans, page 110:",
"text": "As the egg comes out, it gets covered in glue. All it needs now is the operculum, a little lid that will help your kid breathe.",
"type": "quotation"
}
],
"glosses": [
"A covering flap in animals and insects, such as a gill cover or the lid of nits."
],
"links": [
[
"zoology",
"zoology"
],
[
"flap",
"flap"
],
[
"gill cover",
"gill cover"
],
[
"nits",
"nits"
]
],
"raw_glosses": [
"(zoology) A covering flap in animals and insects, such as a gill cover or the lid of nits."
],
"topics": [
"biology",
"natural-sciences",
"zoology"
]
},
{
"categories": [
"en:Botany"
],
"glosses": [
"The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds."
],
"links": [
[
"botany",
"botany"
],
[
"lidlike",
"lidlike"
],
[
"moss",
"moss"
],
[
"sporangium",
"sporangium"
],
[
"fruit",
"fruit"
],
[
"detach",
"detach"
],
[
"spore",
"spore"
],
[
"seed",
"seed"
]
],
"raw_glosses": [
"(botany) The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds."
],
"topics": [
"biology",
"botany",
"natural-sciences"
]
},
{
"categories": [
"en:Dentistry"
],
"glosses": [
"A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth."
],
"links": [
[
"dentistry",
"dentistry"
],
[
"gum",
"gum"
],
[
"flap",
"flap"
],
[
"wisdom tooth",
"wisdom tooth"
]
],
"raw_glosses": [
"(dentistry) A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth."
],
"topics": [
"dentistry",
"medicine",
"sciences"
]
},
{
"categories": [
"English terms with quotations"
],
"examples": [
{
"bold_text_offsets": [
[
22,
31
]
],
"ref": "1900 December – 1901 August, H[erbert] G[eorge] Wells, chapter IX, in The First Men in the Moon, London: George Newnes, […], published 1901, →OCLC, page 95:",
"text": "I lifted the circular operculum from its place and laid it carefully on the bale.",
"type": "quotation"
}
],
"glosses": [
"A structure which serves as a cover or lid."
],
"links": [
[
"cover",
"cover"
],
[
"lid",
"lid"
]
]
},
{
"categories": [
"en:Anatomy"
],
"glosses": [
"One of several flaps of cerebral cortex covering the insula."
],
"links": [
[
"anatomy",
"anatomy"
],
[
"cerebral cortex",
"cerebral cortex"
],
[
"insula",
"insula"
]
],
"raw_glosses": [
"(anatomy) One of several flaps of cerebral cortex covering the insula."
],
"topics": [
"anatomy",
"medicine",
"sciences"
]
}
],
"sounds": [
{
"ipa": "/əʊˈpɜː.kjʊ.ləm/",
"tags": [
"UK"
]
},
{
"ipa": "/oʊˈpɝ.kjə.ləm/",
"tags": [
"US"
]
},
{
"audio": "LL-Q1860 (eng)-Neøn-operculum.wav",
"mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a8/LL-Q1860_%28eng%29-Ne%C3%B8n-operculum.wav/LL-Q1860_%28eng%29-Ne%C3%B8n-operculum.wav.mp3",
"ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a8/LL-Q1860_%28eng%29-Ne%C3%B8n-operculum.wav/LL-Q1860_%28eng%29-Ne%C3%B8n-operculum.wav.ogg",
"tags": [
"US"
]
}
],
"translations": [
{
"code": "ale",
"lang": "Aleut",
"lang_code": "ale",
"sense": "(zoology) covering flap in animals",
"word": "hmuqatix̂"
},
{
"code": "ca",
"lang": "Catalan",
"lang_code": "ca",
"sense": "(zoology) covering flap in animals",
"tags": [
"masculine"
],
"word": "opercle"
},
{
"code": "cmn",
"lang": "Chinese Mandarin",
"lang_code": "cmn",
"roman": "yǎn",
"sense": "(zoology) covering flap in animals",
"word": "厴 /厣"
},
{
"code": "cs",
"lang": "Czech",
"lang_code": "cs",
"sense": "(zoology) covering flap in animals",
"word": "skřele"
},
{
"code": "cs",
"lang": "Czech",
"lang_code": "cs",
"sense": "(zoology) covering flap in animals",
"word": "žaberní víčko"
},
{
"code": "fi",
"lang": "Finnish",
"lang_code": "fi",
"note": "in fish",
"sense": "(zoology) covering flap in animals",
"word": "kiduskansi"
},
{
"code": "fr",
"lang": "French",
"lang_code": "fr",
"sense": "(zoology) covering flap in animals",
"tags": [
"masculine"
],
"word": "opercule"
},
{
"code": "ga",
"lang": "Irish",
"lang_code": "ga",
"sense": "(zoology) covering flap in animals",
"tags": [
"masculine"
],
"word": "lannach"
},
{
"code": "ga",
"lang": "Irish",
"lang_code": "ga",
"sense": "(zoology) covering flap in animals",
"tags": [
"masculine"
],
"word": "clúidín"
},
{
"code": "it",
"lang": "Italian",
"lang_code": "it",
"sense": "(zoology) covering flap in animals",
"tags": [
"masculine"
],
"word": "opercolo"
},
{
"code": "gv",
"lang": "Manx",
"lang_code": "gv",
"sense": "(zoology) covering flap in animals",
"tags": [
"feminine"
],
"word": "bleayst"
},
{
"code": "mi",
"lang": "Māori",
"lang_code": "mi",
"sense": "(zoology) covering flap in animals",
"word": "kōrama (in shellfish)"
},
{
"code": "mi",
"lang": "Māori",
"lang_code": "mi",
"sense": "(zoology) covering flap in animals",
"word": "kata (of shellfish)"
},
{
"code": "fa",
"lang": "Persian",
"lang_code": "fa",
"roman": "darpuš",
"sense": "(zoology) covering flap in animals",
"word": "درپوش"
},
{
"code": "pt",
"lang": "Portuguese",
"lang_code": "pt",
"sense": "(zoology) covering flap in animals",
"tags": [
"masculine"
],
"word": "opérculo"
},
{
"code": "ru",
"lang": "Russian",
"lang_code": "ru",
"roman": "obolóčka",
"sense": "(zoology) covering flap in animals",
"tags": [
"feminine"
],
"word": "оболо́чка"
},
{
"code": "ru",
"lang": "Russian",
"lang_code": "ru",
"roman": "pokrýška",
"sense": "(zoology) covering flap in animals",
"tags": [
"feminine"
],
"word": "покры́шка"
},
{
"code": "ru",
"english": "gill cover",
"lang": "Russian",
"lang_code": "ru",
"roman": "žábernaja krýška",
"sense": "(zoology) covering flap in animals",
"tags": [
"feminine"
],
"translation": "gill cover",
"word": "жа́берная кры́шка"
},
{
"code": "es",
"lang": "Spanish",
"lang_code": "es",
"sense": "(zoology) covering flap in animals",
"tags": [
"masculine"
],
"word": "opérculo"
},
{
"code": "tl",
"lang": "Tagalog",
"lang_code": "tl",
"sense": "(zoology) covering flap in animals",
"word": "unya"
},
{
"code": "fa",
"lang": "Persian",
"lang_code": "fa",
"roman": "darpuš",
"sense": "(botany) lidlike portion on a sporangium or fruit that detaches",
"word": "درپوش"
}
],
"word": "operculum"
}
Download raw JSONL data for operculum meaning in English (10.4kB)
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-09-09 from the enwiktionary dump dated 2026-09-02 using wiktextract (ccec6f1 and 4deed51). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.