English▸ noun
1 a person who walks, especially for exercise or enjoyment:
he was a keen walker
[in combination] a fell-walker.
2 a device for helping a baby learn to walk, consisting of a harness set into a frame on wheels. short for baby walker
▪ North American English a frame used by disabled or infirm people for support while walking, typically made of metal tubing with small wheels or rubber-tipped feet; a walking frame.