抽ちゅう筒とう子しMeanings1nounextractor (rifle)Technical term for the part of a rifle that extracts a spent cartridge case from the chamber.抽ちゅう筒とう子しが故こ障しょうすると、薬やっ莢きょうが排はい出しゅつされない。If the extractor malfunctions, the cartridge case won't be ejected.