炮栓 pàoshuān breechblock Definitions Defs Origin Strokes Stroke Words Sentences Sents pàoshuān breechblock 炮 pào noun cannon large military weapon that fires shells; cannon-shaped piece in Chinese chess栓 shuān bolt (bound form) a sliding bolt used to lock or close a device; specifically a gun bolt or a safety pin on a grenadepàoshuān tampion 炮 pào noun cannon large military weapon that fires shells; cannon-shaped piece in Chinese chess栓 shuān stopper (bound form) a plug, cork, or stopper-like object used to block an opening