"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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "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",
        "English terms with quotations",
        "English undefined derivations",
        "Pages with 1 entry",
        "en:Microbiology"
      ],
      "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"
}