Dictionary.com
definitions
  • synonyms

-ales

Botany.
  1. a suffix of names of orders: Cycadales.
Show More

Origin of -ales

< Latin plural of -ālis -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for -ales

-ales

suffix forming plural proper nouns
  1. denoting plants belonging to an orderRosales; Filicales
Show More

Word Origin for -ales

New Latin, from Latin, plural of -ālis -al 1
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