a. [f. mod.L. subordo, -ordin- (see SUB- 7 b, ORDER sb.) + -AL.] Of, pertaining to, or of the rank of, a suborder.
1870. Rolleston, Anim. Life, p. lxxxii. The two subordinal names above given.
1872. Oliver, Elem. Bot., II. 183. Upon these characters, derived from the face of the seed, subordinal divisions have been based.
1904. Q. Rev., Oct., 469. Africa has now no … peculiar ordinal or subordinal groups of mammals of its own.
