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.

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.]

• (of a number) indicating position in a sequence.
  
• an ordinal number; examples are first, second and third.
  
  Spanish
• ordinal. See English definition.