1pump 
/ˈpʌmp/ noun
plural pumps /ˈpʌmp/ noun [count] 1 : a device that forces liquid, air, or gas into or out of something
▪ an air pump ▪ a water pump ▪ a foot/hand pump [=a pump that you operate by using your foot/hand] ▪ a bicycle pump [=a small pump used for putting air in bicycle tires] ▪ (US) a gas pump = (Brit) a petrol pump — see picture at bicycle 2 : the act of pumping something
▪ Three more pumps and the tire should be full enough.
▪ an air pump ▪ a water pump ▪ a foot/hand pump [=a pump that you operate by using your foot/hand] ▪ a bicycle pump [=a small pump used for putting air in bicycle tires] ▪ (US) a gas pump = (Brit) a petrol pump — see picture at bicycle
▪ Three more pumps and the tire should be full enough.
at the pump also at the pumps
US, informal : at the places where customers buy gasoline for their cars
▪ Prices are higher at the pump. [=gas prices are higher] ▪ Expect long lines at the pumps this weekend. [=expect long lines at gas stations this weekend]
▪ Prices are higher at the pump. [=gas prices are higher] ▪ Expect long lines at the pumps this weekend. [=expect long lines at gas stations this weekend]
prime the pump — see 3prime
— compare 3pump
