Ordinal \Or"di*nal\, a. [L. ordinalis, fr. ordo, ordinis, order. See Order.]

1. Indicating order or succession; as, the ordinal numbers, first, second, third, etc.

2. Of or pertaining to an order.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Ordinal \Or"di*nal\, 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. [Written also ordinale.]

Source: Webster's Revised Unabridged Dictionary (1913)