1.The act of jumping; a leap; a spring; a bound. "To advance by jumps."
2.An effort; an attempt; a venture. (Obs.) "Our fortune lies Upon thisjump."
3.The space traversed by a leap.
4.(Mining) A dislocation in a stratum; a fault.
5.(Arch.) An abrupt interruption of level in a piece of brickwork or masonry.
6.A jump-start; as, to get a jump from a passing mmotorist.
Jump joint. (b)A flush joint, as of plank in carvel-built vessels.
Jump seat. (a)A movable carriage seat.
(b)A carriage constructed with a seat which may be shifted so as to make room for second or extra seat. Also used adjectively; as, a jump-seat wagon.