mentum
Americannoun
plural
menta-
Entomology. the medial plate of the labium in insects.
-
Botany. a chinlike protuberance formed by the sepals and the base of the column in some orchids.
Etymology
Origin of mentum
1685–95; < New Latin, Latin mentum chin, akin to mouth
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The remarkable tripartite mentum he thinks should not be compared with the bipartite mentum of Leptinus, and calls attention to the fact that in Ancistrona in Mallophaga it is also trilobed.
From Project Gutenberg
Pr�mentum smaller than the hypopharynx, in outline roughly oval or semicircular with the two labial palpi surrounded by hairs at the base.
From Project Gutenberg
Summit of spire heterostrophic; a projection, the mentum, between head and foot; operculum present.
From Project Gutenberg
Submental peduncle: in Coleoptera, the prolonged portion of the gula supporting the mentum.
From Project Gutenberg
The mentum carries at its extremity a pair of lobes with sharp fangs.
From Project Gutenberg
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.