nozzle

noun

1. a projecting spout, terminal discharging pipe, or the like, as of a hose or bellows.
2. Slang. the nose.
3. the spout of a teapot.
4. the socket of a candlestick.

noun

1. a projecting pipe or spout from which fluid is discharged
2. Also called: propelling nozzle a pipe or duct, esp in a jet engine or rocket, that directs the effluent and accelerates or diffuses the flow to generate thrust
3. a socket, such as the part of a candlestick that holds the candle

n.mid-15c., noselle “socket on a candlestick,” diminutive of nose (see nose (n.)). Meaning “small spout” first recorded 1680s.