I. ˈȯrd-nəl, ˈȯr-də-nəl noun
Date: 14th century
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
II. adjective
Etymology: Late Latin ordinalis, from Latin ordin-, ordo
Date: 1599
1. : of a specified order or rank in a series
2. : of or relating to a taxonomic order