[ awr-dn-uh l ]
/ ˈɔr dn əl /


of or relating to an order, as of animals or plants.
of or relating to order, rank, or position in a series.


an ordinal number or numeral.

Origin of ordinal

1590–1600; < Late Latin ōrdinālis in order equivalent to Latin ōrdin- (stem of ōrdō) order + -ālis -al1

Related forms

or·di·nal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ordinally

British Dictionary definitions for ordinally


/ (ˈɔːdɪnəl) /


denoting a certain position in a sequence of numbers
of, relating to, or characteristic of an order in biological classification


short for ordinal number
a book containing the forms of services for the ordination of ministers
RC Church a service book

Word Origin for ordinal

C14: (in the sense: orderly): from Late Latin ordinalis denoting order or place in a series, from Latin ordō order
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