"epitheca" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ἐπί",
        "4": "",
        "5": "upon"
      },
      "expansion": "Ancient Greek ἐπί (epí, “upon”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Ancient Greek ἐπί (epí, “upon”) + θήκη (thḗkē, “case, box, receptacle”)",
  "forms": [
    {
      "form": "epithecae",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "epithecae"
      },
      "expansion": "epitheca (plural epithecae)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Microbiology",
          "orig": "en:Microbiology",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "hypotheca"
        }
      ],
      "derived": [
        {
          "word": "epithecal"
        }
      ],
      "examples": [
        {
          "ref": "1957, Sidney Frederic Harmer, The Polyzoa of the Siboga Expedition, page 1106:",
          "text": "Cellariiform, the orifices nearly confined to the convex frontal and lateral surfaces; the basal surface with a strong median calcareous keel, almost concealed by a flat membranous epitheca, which covers the whole zoarium […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "The upper half of the theca of a thecate protist such as a diatom or dinoflagellate."
      ],
      "id": "en-epitheca-en-noun-v~AovW5u",
      "links": [
        [
          "microbiology",
          "microbiology"
        ],
        [
          "theca",
          "theca"
        ],
        [
          "thecate",
          "thecate"
        ],
        [
          "protist",
          "protist"
        ],
        [
          "diatom",
          "diatom"
        ],
        [
          "dinoflagellate",
          "dinoflagellate"
        ]
      ],
      "raw_glosses": [
        "(microbiology, planktology) The upper half of the theca of a thecate protist such as a diatom or dinoflagellate."
      ],
      "related": [
        {
          "word": "Frustule"
        }
      ],
      "topics": [
        "biology",
        "botany",
        "microbiology",
        "natural-sciences",
        "planktology"
      ]
    }
  ],
  "word": "epitheca"
}

{
  "coordinate_terms": [
    {
      "word": "hypotheca"
    }
  ],
  "derived": [
    {
      "word": "epithecal"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ἐπί",
        "4": "",
        "5": "upon"
      },
      "expansion": "Ancient Greek ἐπί (epí, “upon”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Ancient Greek ἐπί (epí, “upon”) + θήκη (thḗkē, “case, box, receptacle”)",
  "forms": [
    {
      "form": "epithecae",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "epithecae"
      },
      "expansion": "epitheca (plural epithecae)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Frustule"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms derived from Ancient Greek",
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        "English undefined derivations",
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        "Pages with entries",
        "en:Microbiology"
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      "examples": [
        {
          "ref": "1957, Sidney Frederic Harmer, The Polyzoa of the Siboga Expedition, page 1106:",
          "text": "Cellariiform, the orifices nearly confined to the convex frontal and lateral surfaces; the basal surface with a strong median calcareous keel, almost concealed by a flat membranous epitheca, which covers the whole zoarium […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "The upper half of the theca of a thecate protist such as a diatom or dinoflagellate."
      ],
      "links": [
        [
          "microbiology",
          "microbiology"
        ],
        [
          "theca",
          "theca"
        ],
        [
          "thecate",
          "thecate"
        ],
        [
          "protist",
          "protist"
        ],
        [
          "diatom",
          "diatom"
        ],
        [
          "dinoflagellate",
          "dinoflagellate"
        ]
      ],
      "raw_glosses": [
        "(microbiology, planktology) The upper half of the theca of a thecate protist such as a diatom or dinoflagellate."
      ],
      "topics": [
        "biology",
        "botany",
        "microbiology",
        "natural-sciences",
        "planktology"
      ]
    }
  ],
  "word": "epitheca"
}