かいめん 海綿 LinksSentence search for 海綿Sentence search for かいめんSentence search for うみわたKanji details for 海 and 綿Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. spongeOther forms海綿 【うみわた】 Discussions Log in to talk about this word.