Answer: pump

AnswerCrossword Clue
PUMPWell adjunct
PUMPOil-rig feature
PUMPType of shoe
PUMPQuestion persistently
PUMPGas-station fixture
PUMPShip's engine part
PUMPGas station fixture
PUMPIt may cause inflation
PUMPHose site
PUMPLady's shoe
PUMPBilge need
PUMPThe heart, essentially
PUMPShell fixture
PUMPShoe type
PUMPQuarterback's maneuver
PUMPInterrogate intensely
PUMPWater hoist
PUMPHeart, for one
PUMP"... It Up" (1978 Elvis Costello hit)
PUMPMechanical device
PUMPDevice with valves
PUMPPress for details
PUMPWork the biceps, e.g.
PUMPIt's well-connected
PUMPPlace to get your fill?
PUMPWhat you might do with gas or a fist
pumpto propel liquid by a motor
pumpart
pumpa device that raises, transfers, delivers, or compresses fluids or that attenuates gases especially by suction or pressure or both
pumpenergy source (as light) for pumping atoms or molecules
pumpact or the process of pumping
pumpbiological mechanism by which atoms, ions, or molecules are transported across cell membranes compare sodium pump
PUMPHeat ..
PUMPNeeds to be primed
PUMPCause of inflation?
PUMPHeart, basically
PUMPSlip-on shoe
PUMPHeart, essentially
PUMPIt gives you gas
PUMPGive gas