n.

1. a linear unit of length equal to 12 inches or a third of a yard;
   ft
   
   • he is six feet tall
2. the part of the leg of a human being below the ankle joint;
   human foot, pes
   
   • his bare feet projected from his trousers
   • armored from head to foot
3. the lower part of anything
   
   • curled up on the foot of the bed
   • the foot of the page
   • the foot of the list
   • the foot of the mountain
4. travel by walking
   
   • he followed on foot
   • the swiftest of foot
5. the pedal extremity of vertebrates other than human beings;
   animal foot
6. a support resembling a pedal extremity
   
   • one foot of the chair was on the carpet
7. lowest support of a structure;
   foundation, base, fundament, groundwork, substructure, understructure
   
   • it was built on a base of solid rock
   • he stood at the foot of the tower
8. any of various organs of locomotion or attachment in invertebrates;
   invertebrate foot
9. an army unit consisting of soldiers who fight on foot;
   infantry
   
   • there came ten thousand horsemen and as many fully-armed foot
10. a member of a surveillance team who works on foot or rides as a passenger
11. (prosody) a group of 2 or 3 syllables forming the basic unit of poetic rhythm;
    metrical foot, metrical unit

v.

1. pay for something;
   pick
   
   • pick up the tab
   • pick up the burden of high-interest mortgages
   • foot the bill
2. walk;
   leg it, hoof, hoof it
   
   • let's hoof it to the disco
3. add a column of numbers;
   foot up