(bt) noun
1. A leather covering for the foot and leg.
2. A high shoe.
3. Brit. A compartment in an automobile, coach, etc., for carrying baggage.
4. A medieval instrument of torture, compressing the foot and leg.
5. A ring-shaped appliance put on the leg of a horse to prevent interference.
6. A leather flap fastened to the dashboard of an open carriage, to be drawn up as a shield from rain or mud.
7. A carbine bucket fitted to a military saddle.
8. A box encasing the lower pulley in a grain elevator.
9. The part of a reed pipe containing the reed, as of an organ.
10. Ornithol. A tarsal envelope of a bird, as in thrushes.
11. Bot. The lowest leaf-bearing segment of a stalk of wheat.
12. Colloq. In the U.S. Navy, a new recruit, or one but recently arrived from a training station.
—big in one's boots Proud.
—the boot is on the other foot The case is reversed.
—to get the boot on the wrong foot
—To make a mistake in attribution, interpretation, etc.
—to die with one's boots on
1. To die by violence; die fighting.
2. To die working, i.e., without ever resting.
—to get the boot Slang To be discharged.
—v.t.
1. To put boots on.
2. To torture with the boot.
3. To kick; also, in football, to punt.
4. Slang To dismiss; fire; eject: often with out. [<OF bote]

(bt) v.i. Obs.
To be of avail.
—v.t. Obs. To benefit.
—noun
1. Something over and above given in barter.
2. Advantage; resource; help.
—to boot In addition; over and above. [OE bōt profit]