An object used to deliver a thrust

plunger, pump, beam, prow, hammerhead, arm piece, weight, pole, shaft, lever, spike, battering ram, pile driver, tamping iron, punch, sledge hammer, rammer, tamper, monkey, bat, maul, hydraulic ram, spar, piston, drop weight, bow; see also bar 1, hammer.

A male sheep

tup, wild ram, buck, bucksheep; see sheep.

Breeds of rams include: Leicester, Rambouillet, Merino, Lincoln, Jacob, Scottish blackface, Wensleydale, Oxforddown, Hampshire, Cotswold, Southdown, Suffolk, Shropshire, Cheviot.

To strike with force

bump, slam, collide, hook; see butt 1, crash 4, hit 1, 2.

To thrust or pack forcibly

drive, cram, jam, stuff; see drive 4, pack 2.