こくがん 黒雁 LinksSentence search for 黒雁Sentence search for こくがんSentence search for コクガンKanji details for 黒 and 雁Edit in JMdict Noun1. brent goose (Branta bernicla); brant; brant gooseUsually written using kana aloneOther formsコクガン Discussions Log in to talk about this word.