ぽんとう 本刀 LinksSentence search for 本刀Sentence search for ぽんとうSentence search for ポン刀Kanji details for 本 and 刀Edit in JMdict Noun1. Japanese sword (usu. single-edged and curved); Japanese bladed weaponAbbreviation, Slang, See also 日本刀, yakuza slangOther formsポン刀 【ぽんとう】 Discussions Log in to talk about this word.