Ordinal
Ordinal , adjective
[Latin ordinalis, from ordo, ordinis, order. See Order.]
1.
Indicating order or succession; as, the ordinal numbers, first, second, third, etc. Contrasted to cardinal.
2.
Of or pertaining to an order.
Ordinal , noun
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.
(Roman Catholic Church) A book containing the rubrics of the Mass.