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more about blackhead
blackhead |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 2. (Zo["o]l.) A scaup duck. See below. {Scaup duck} (Zo["o]l.), any one of several species of northern ducks of the genus {Aythya}, or {Fuligula}. The adult males are in large part black. The three North American species are: the greater scaup duck ({Aythya marila}, var. nearctica), called also {broadbill}, {bluebill}, {blackhead}, {flock duck}, {flocking fowl}, and {raft duck}; the lesser scaup duck ({A. affinis}), called also {little bluebill}, {river broadbill}, and {shuffler}; the tufted, or ring-necked, scaup duck ({A. collaris}), called also {black jack}, {ringneck}, {ringbill}, {ringbill shuffler}, etc See Illust.. of {Ring-necked duck}, under {Ring-necked}. The common European scaup, or mussel, duck ({A. marila}), closely resembles the American variety. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Blackhead \Black"head`\, n. (Zo["o]l.) The scaup duck. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Broadbill \Broad"bill`\, n. 1. (Zo["o]l.) A wild duck ({Aythya, or Fuligula marila)}, which appears in large numbers on the eastern coast of the United States, in autumn; -- called also {bluebill}, {blackhead}, {raft duck}, and {scaup duck}. See {Scaup duck}. 2. (Zo["o]l.) The shoveler. See {Shoveler}. From WordNet r 1.6 [wn]: blackhead n : a black-tipped plug clogging a pore of the skin [syn: {comedo}]
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