jumper (Noun) — A person who jumps. ex. "as the jumper neared the ground he lost control" ex. "the jumper's parachute opened"
jumper (Noun) — An athlete who competes at jumping. ex. "he is one hell of a jumper"
jumper (Noun) — A crocheted or knitted garment covering the upper part of the body.
jumper (Noun) — A coverall worn by children.
jumper (Noun) — A small connector used to make temporary electrical connections.
jumper (Noun) — A loose jacket or blouse worn by workmen.
jumper (Noun) — A sleeveless dress resembling an apron; worn over other clothing.
jumper (Noun) — (basketball) a player releases the basketball at the high point of a jump.