[nav.i.gate] vb -gat.ed ; -gat.ing [L navigatus, pp. of navigare, fr. navis ship + -igare (fr. agere to drive)--more at agent] vi (1588) 1: to travel by water: sail
2: to steer a course through a medium; specif: to operate an airplane
3: get around, move ~ vt 1 a: to sail over, on, or through b: to make one's way over or through: traverse
2. a: to steer or manage (a boat) in sailing b: to operate or control the course of (as an airplane)