Definitions from Wordnet 2.0

• a small vehicle with four wheels in which a baby or child is pushed around
• a vehicle with four wheels drawn by two or more horses
• a machine part that carries something else
• a railcar where passengers ride
• characteristic way of bearing one''s body; "stood with good posture"

Definitions from Wiktionary

• a railcar where passengers ride ,
• a vehicle with wheels drawn by one or more horses ,
• characteristic way of bearing one's body; "stood with good posture" ,
• a machine part that carries something else ,
• a small vehicle with four wheels in which a baby or child is pushed around