foot
Definitions
The lower extremity of the leg below the ankle, on which a person or animal stands or walks.
A unit of length equal to 12 inches or one-third of a yard.
The bottom or lowest part of something, such as a mountain, page, or bed.
Examples
She tripped over her own foot while walking down the stairs.
The mountain climber reached the foot of the peak just as the sun began to set.