Tectum definition
(biol.) A rooflike structure or covering.
noun
A rooflike structure of the body, especially the dorsal part of the midbrain.
noun
A rooflike structure of the body, especially the dorsal part of the midbrain.
noun
(anatomy) The dorsal portion of the midbrain, containing the superior colliculus and inferior colliculus.
noun
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Other Word Forms
Noun
Singular:
tectum
Plural:
tectaOrigin 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