- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tectum
The taenia tecti marginales and the tectum synoticum are covered dorsally and laterally by the frontoparietals.
Medially, the tectum nasi persists, overlaid by the nasal bone laterally.
In posterior sections the cartilage assumes a dorsolateral position (Fig. 3), ventral and slightly lateral to the tectum nasi.
- A rooflike structure of the body, especially the dorsal part of the mesencephalon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.