(1):
(n.) A kind of frock for children.
(2):
(n.) An injury caused by jamming.
(3):
(n.) A mass of people or objects crowded together; also, the pressure from a crowd; a crush; as, a jam in a street; a jam of logs in a river.
(4):
(v. t.) To crush or bruise; as, to jam a finger in the crack of a door.
(5):
(v. t.) To press into a close or tight position; to crowd; to squeeze; to wedge in.
(6):
(n.) A preserve of fruit boiled with sugar and water; as, raspberry jam; currant jam; grape jam.
(7):
(n.) See Jamb.
(8):
(v. t.) To bring (a vessel) so close to the wind that half her upper sails are laid aback.