prep., adv., & n.
prep. 1 in relation to. 2 opposite to.
adv. facing one another.
n. (pl. same) 1 a person or thing facing another, esp. in some dances. 2 a person occupying a corresponding position in another group. 3 US a social partner.
[ F, = face to face, f. vis face f. L (as VISAGE) ]