\Ped`e*re"ro\, n. [Sp. pedrero, fr. OSp. pedra, Sp.
piedra, a stone, L. petra, fr. Gr. ?. So named because it was
at first charged with stones.] (Mil.)
A term formerly applied to a short piece of chambered
ordnance. [Written also {paterero} and {peterero}.]