locomotilityrare—1.|ˌləʊkəməʊˈtɪlɪtɪ| [ad. F. locomotilité, f. L. locō(see locomotive) + F. motilité power of movement.] The faculty or power of locomotion. 1857Dunglison's Med.Lex.s.v.Locomotion, The faculty [of locomotion] is sometimes called Locomotivity, and Locomotility.