fox·trot / ˈfäksˌträt/ • n. 1. a ballroom dance in 4/4 time, with alternation of two slow and two quick steps. ∎ a piece of music written for such a dance. ∎ a gait in which a horse walks with its front legs and trots with its hind legs.2. a code word representing the letter F, used in radio communication.• v. (-tro·tted, -tro·tting) [intr.] perform such a ballroom dance.