くちぼそ 口細 LinksSentence search for 口細Sentence search for くちぼそKanji details for 口 and 細Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. having a narrow mouth (of a bottle, etc.)Noun2. topmouth gudgeon (Pseudorasbora parva)See also モツゴNoun3. barracudaFemale term or language, Archaic Discussions Log in to talk about this word.