ordinal

Being of a specified position in a numbered series.

Of or relating to a taxonomic order.

An ordinal number.

A book of instructions for daily services.

A book of forms for ordination.

Noting position in an order or series: an epithet designating one of that class of numerals which describe an object as occupying a certain place in a series of similar objects; first, second, third, etc., are ordinal numbers.

In natural history, pertaining to, characteristic of, or designating an order, as of animals, or a family of plants: as, ordinal terms; a group of ordinal value; ordinal distinctions; ordinal rank.

A numeral which designates the place or position of an object in some particular series, as first, second, third, etc.

A body of regulations.