S: (n) walk (the act of walking somewhere) "he took a walk after lunch"
S: (n) walk, walkway, paseo (a path set aside for walking) "after the blizzard he shoveled the front walk"
S: (n) walk (a slow gait of a horse in which two feet are always on the ground)
S: (n) walk of life, walk (careers in general) "it happens in all walks of life"
Verb
S: (v) walk (use one's feet to advance; advance by steps) "Walk, don't run!"; "We walked instead of driving"; "She walks with a slight limp"; "The patient cannot walk yet"; "Walk over to the cabinet"
S: (v) walk (accompany or escort) "I'll walk you to your car"