tomentum

[ tuh-men-tuh m ]
/ təˈmɛn təm /

noun, plural to·men·ta [tuh-men-tuh] /təˈmɛn tə/. Botany, Entomology.

pubescence consisting of longish, soft, entangled hairs pressed close to the surface.

Origin of tomentum

1690–1700; < New Latin tōmentum, Latin: stuffing (of wool, hair, etc.) for cushions
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tomentum

British Dictionary definitions for tomentum

tomentum

/ (təˈmɛntəm) /

noun plural -ta (-tə)

a feltlike covering of downy hairs on leaves and other plant parts
a network of minute blood vessels occurring in the human brain between the pia mater and cerebral cortex

Derived Forms

tomentose (təˈmɛntəʊs), adjective

Word Origin for tomentum

C17: New Latin, from Latin: stuffing for cushions; related to Latin tumēre to swell
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for tomentum

tomentum

[ tō-mĕntəm ]

n. pl. to•men•ta (-tə)

A network of extremely small blood vessels passing between the pia mater and the cerebral cortex.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.