a. Zool. [f. L, falcōn-em falcon + -INE.] Like a falcon or hawk, belonging to the Falconidæ.
1836. Swainson, Nat. Hist. Birds, I. 46. A great deal has been written ... on the powers of sight in the falconine tribes; but those of the swallows seem to have been quite overlooked.
In mod. Dicts.