[ tek-tuh m ]
/ ˈtɛk təm /

noun, plural tec·tums, tec·ta [tek-tuh] /ˈtɛk tə/. Anatomy, Zoology.

a rooflike structure.

Nearby words

  1. tectosilicate,
  2. tectospinal,
  3. tectrices,
  4. tectricial,
  5. tectrix,
  6. tectum mesencephali,
  7. tecumseh,
  8. ted,
  9. ted spread,
  10. tedder

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. 2019

Examples from the Web for tectum

Medicine definitions for tectum


[ tĕktəm ]

n. pl. tec•ta (-tə)

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.