Main Entry:

¹or·di·nal

Pronunciation:

\ˈȯrd-nəl, ˈȯr-də-nəl\

Function:

noun

Date:

14th century

1capitalized [Middle English, from Medieval Latin ordinale, from Late Latin, neuter of ordinalis] : a book of rites for the ordination of deacons, priests, and bishops2 [Late Latin ordinalis, from ordinalis, adjective] : ordinal number