Hypertext Webster Gateway: "rammer"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rammer \Ram"mer\, n.
One who, or that which, rams or drives. Specifically:
(a) An instrument for driving anything force; as, a rammer
for driving stones or piles, or for beating the earth to
more solidity.
(b) A rod for forcing down the charge of a gun; a ramrod.
(c) (Founding) An implement for pounding the sand of a mold
to render it compact.
From WordNet (r) 1.7 (wn)
rammer
n : a tool for driving something with force
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