つめぐるま 爪車 LinksSentence search for 爪車Sentence search for つめぐるまSentence search for つめ車Kanji details for 爪 and 車Edit in JMdict Noun1. ratchet; toothed wheelSee also ラチェットOther formsつめ車 【つめぐるま】 Discussions Log in to talk about this word.