せなかまる 背中を丸める Show inflections LinksSentence search for 背中を丸めるSentence search for せなかをまるめるKanji details for 背, 中 and 丸Edit in JMdict Expressions (phrases, clauses, etc.), Ichidan verb1. to hunch one's shoulders; to arch one's backねこ猫はせなかをまる背中を丸める。Cats arch their backs. Discussions Log in to talk about this word.