pəˈdrə(ə)(ˌ)rō noun
also pa·te·re·ro ˌpäd.əˈre(ə)(ˌ)rō ; or pe·de·re·ro ˌpādəˈr-
( -s )
Etymology: Spanish pedrero, from Medieval Latin petraria, from Latin, feminine of petrarius of stones, from petra stone (from Greek, rock, stone) + -arius -ary
: a piece of chambered ordnance used for throwing chiefly stones and scraps of iron