WordNet sense 1 (characteristic way of bearing one's body):

bearing, posture

WordNet sense 2 (a railcar where passengers ride):

coach, passenger car

WordNet sense 3 (a vehicle with wheels drawn by one or more horses):

equipage, rig

WordNet sense 4 (a small vehicle with four wheels in which a baby or child is pushed around):

go-cart, perambulator, pusher, stroller, pram, pushchair, baby buggy, baby carriage