Definitions:
a knitted garment typically with long sleeves, worn over the upper body

a loose outer jacket worn by sailors

a pinafore dress

a person or animal that jumps

a short wire used to shorten an electric circuit or close it temporarily.

a rope made fast to keep a yard or mast from jumping.

a heavy chisel-ended iron bar for drilling blast holes.

a mushroom-shaped brass part in a tap which supports the washer.