ヒラツメガニ LinksSentence search for ヒラツメガニSentence search for 平爪蟹Sentence search for ひらつめがにEdit in JMdict Noun1. swimming crab (Ovalipes punctatus); sand crabUsually written using kana aloneOther forms平爪蟹 【ひらつめがに】 Discussions Log in to talk about this word.