Ordinal

a.	1.	Indicating order or succession; as, the ordinal numbers, first, second, third, etc. Contrasted to cardinal.
	2.	Of or pertaining to an order.
n.	1.	A word or number denoting order or succession.
	2.	(Ch. of Eng.) The book of forms for making, ordaining, and consecrating bishops, priests, and deacons.
	3.	(R. C. Ch.) A book containing the rubrics of the Mass.

Noun	1.	ordinal - the number designating place in an ordered sequence Synonyms: no., ordinal number
Adj.	1.	ordinal - of or relating to a taxonomic order; "family and ordinal names of animals and plants"
	2.	ordinal - being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh" Antonyms: cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"

(mathematics)

ordinal - An isomorphism class of well-ordered sets.

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