Dictionary.com
Thesaurus.com

-idae

American  
Zoology.

  1. a suffix of the names of families.

    Canidae.
-idae British  

suffix

  1. indicating names of zoological families

    Felidae

    Hominidae
"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

Etymology

Origin of -idae

< New Latin, Latin < Greek -idai, plural of -idēs offspring of; akin to -id 1

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.