[ 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.

Nearby words

  1. tombé,
  2. tomcat,
  3. tomcod,
  4. tome,
  5. tomentose,
  6. tomfool,
  7. tomfoolery,
  8. tomism,
  9. tomium,
  10. tomlinson

Origin of tomentum

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

Examples from the Web for tomentum

British Dictionary definitions for 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 Formstomentose (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


[ 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.