Tectum definition

tĕktəm
tecta
See word origin
Frequency:
(biol.) A rooflike structure or covering.
noun
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A rooflike structure of the body, especially the dorsal part of the midbrain.
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A rooflike structure of the body, especially the dorsal part of the midbrain.
noun
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(anatomy) The dorsal portion of the midbrain, containing the superior colliculus and inferior colliculus.
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The interconnected outer surface of a spore.
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Other Word Forms

Noun

Singular:
tectum
Plural:
tecta

Origin of tectum

  • Latin tēctum roof from neuter past participle of tegere to cover (s)teg- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin tectum (“roof"), from tegō (“I cover"), cognate with Ancient Greek τέγος (tegos, “roof; any covered room of a house").

    From Wiktionary