A biological structure found in many animals that is used for locomotion and that is frequently a separate organ at the terminal part of the leg.

“A spider has eight feet.”

Specifically, a human foot, which is found below the ankle and is used for standing and walking.

“Southern Italy is shaped like a foot.”

(often used attributively) Travel by walking.

“There is a lot of foot traffic on this street.”

To use the foot to kick (usually a ball).

To pay (a bill).

To tread to measure or music; to dance; to trip; to skip.