ツク棒ぼうalso: つくぼうMeanings1nounprong (of a buckle); pinRefers specifically to the metal prong or pin of a buckle, such as on a belt or bag.ベルトのツク棒ぼうが折おれてしまった。The prong of the belt buckle broke.このバッグのツク棒ぼうは真しん鍮ちゅう製せいだ。The pin on this bag's buckle is made of brass.