あいさ 秋沙 LinksSentence search for 秋沙Sentence search for あいさSentence search for あきさSentence search for アイサKanji details for 秋 and 沙Edit in JMdict Noun1. merganser (any duck of genus Mergus)Usually written using kana aloneOther forms秋沙 【あきさ】、アイサNotesあきさ: Out-dated or obsolete kana usage. Discussions Log in to talk about this word.