せ 背わた LinksSentence search for 背わたSentence search for せわたSentence search for 背ワタSentence search for 背腸Kanji details for 背Edit in JMdict Noun1. vein of a shrimp (prawn); digestive tract of a shrimp; sand veinOther forms背ワタ 【せわた】、背腸 【せわた】 Discussions Log in to talk about this word.