1

ordinal

noun or·di·nal \ ˈȯrd-nəl , ˈȯr-də-nəl \

Definition of ordinal

1 capitalized
[Middle English, from Medieval Latin ordinale, from Late Latin, neuter of ordinalis]
: a book of rites for the ordination of deacons, priests, and bishops
2
[Late Latin ordinalis, from ordinalis, adjective]
: ordinal number

First Known Use of ordinal

14th century

in the meaning defined at sense 1

See Words from the same year
NEW! Time Traveler

Other Number-Related Terms


2

ordinal

adjective

Definition of ordinal

1 : of a specified order or rank in a series
2 : of or relating to a taxonomic order

Recent Examples of ordinal from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ordinal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of ordinal

Late Latin ordinalis, from Latin ordin-, ordo

Other Mathematics and Statistics Terms


ORDINAL Defined for Kids

ordinal

noun or·di·nal \ ˈȯr-də-nəl \

Definition of ordinal for Students


Learn More about ordinal

  1. Spanish Central: Translation of ordinal


Seen and Heard

What made you want to look up ordinal? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to oppose successfully

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens-painting
  • Which is the best synonym of bowdlerize?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!