The agent noun of to walk: a person who walks or a thing which walks, especially a pedestrian or a participant in a walking race.
A walking frame.
(often in the plural) A shoe designed for comfortable walking.
A zombie.
A male escort who accompanies a woman to an event.
A gressorial bird.
A forester.
A kind of military robot or mecha with legs for locomotion.
A person who fulls cloth.
A convex, rounded or grooved tool, used by blacksmiths for shaping metal.
A groove made by such a tool (in the blade of a sword etc.).