pumppump1 /pʌmp/ ●●○ noun [countable]
1
a machine that forces liquid or gas into or out of something:
a water/fuel/gas etc. pump
a bicycle pump2a woman’s plain shoe that does not fasten:
a pair of black pumps3also gas pump a machine at a gas station, used to put gasoline into a car [Origin: (1) 1400–1500 Middle Low German pumpe or Middle Dutch pompe]




