In ichthyology, capable of being turned either way: describing a spine, a tooth, or any organ that may not be usually so turned.Capable of being moved or turned round: as, a versatile spindle.Changeable; variable; unsteady; inconstant.Turning with ease from one thing to another; readily applying one's self to a new task, or to various subjects; many-sided: as, a versatile writer; a versatile actor.In botany, swinging or turning freely on a support: especially noting an anther fixed by the middle on the apex of the filament, and swinging freely to and fro. See cuts under anther and lily.In ornithology, specifically, reversible: noting any toe of a bird which may be turned either forward or backward.In entomology, moving freely up and down or laterally: as, versatile antennæ.