n. [ Icel. fūlmār. See foul, and Man a gull. ] (Zool.) One of several species of sea birds, of the family Procellariidæ, allied to the albatrosses and petrels. Among the well-known species are the arctic fulmar (Fulmarus glacialis) (called also fulmar petrel, malduck, and mollemock), and the giant fulmar (Ossifraga gigantea). [ 1913 Webster ]