"A gull-sized grey and white seabird of the petrel family, with a stocky body and tubular nostrils", Late 17th century: from Hebridean Norn dialect, from Old Norse fúll 'stinking, foul' (because of its habit of regurgitating its stomach contents when disturbed) + már 'gull'.[fulmar etymology, fulmar origin, 英语词源]