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tectum

[tek-tuh m]
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noun, plural tec·tums, tec·ta [tek-tuh] /ˈtɛk tə/. Anatomy, Zoology.
  1. a rooflike structure.

Origin of tectum

1900–05; < New Latin, Latin tēctum roof, special use of neuter of tēctus, past participle of tegere to cover; cf. protect
Related formstec·tal, tec·to·ri·al [tek-tawr-ee-uh l, -tohr-] /tɛkˈtɔr i əl, -ˈtoʊr-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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tectum in Medicine

tectum

(tĕktəm)
n. pl. tec•ta (-tə)
  1. A rooflike structure of the body, especially the dorsal part of the mesencephalon.
Related formstectal (-təl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.