คำว่า ' plunger ' ( N )
มีความหมายในภาษาไทยว่า ผู้กระโดดน้ำ
คำนิยามในภาษาอังกฤษ (definition) :
[n.] One who, or that which, plunges; a diver.
[n.] A long solid cylinder, used, instead of a piston or bucket, as a forcer in pumps.
[n.] One who bets heavily and recklessly on a race; a reckless speculator.
[n.] A boiler in which clay is beaten by a wheel to a creamy consistence.
[n.] The firing pin of a breechloader.