a combining form meaning “hair,” used in the formation of compound words: trichocyst.
Also especially before a vowel, trich-.

Origin of tricho-

< Greek tricho-, combining form of thríx (genitive trichós) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tricho-


before a vowel trich-

combining form

indicating hair or a part resembling hairtrichocyst

Word Origin for tricho-

from Greek thrix (genitive trikhos) hair
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 tricho-



Hair; thread; filament:trichonocardiosis.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.