a combining form meaning “mother,” used in the formation of compound words: matrilineal.
Also matro-; especially before a vowel, matr-.
Origin of matri-
< Latin, combining form of māter mother1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for matri-
mother or motherhoodmatriarchy
Word Origin for matri-
from Latin māter mother
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