black jack

4 definitions found

black jack - Collaborative International Dictionary of English v.0.48 :

  Scaup \Scaup\ (sk[add]p), n. [See Scalp a bed of oysters or
     mussels.]
     1. A bed or stratum of shellfish; scalp. [Scot.]
        [1913 Webster]
  
     2. (Zool.) A scaup duck. See below.
        [1913 Webster]
  
     Scaup duck (Zool.), 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 (Aythya affinis), called
        also little bluebill, river broadbill, and shuffler;
        the tufted, or ring-necked, scaup duck (Aythya  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 (Aythya marila), closely
        resembles the American variety.
        [1913 Webster]

  Jack \Jack\, n. [Named from its resemblance to a jack boot.]
     A pitcher or can of waxed leather; -- called also black jack
     . [Obs.] --Dryden.
     [1913 Webster]

  Ring-necked \Ring"-necked`\, a. (Zool.)
     Having a well defined ring of color around the neck.
     [1913 Webster]
  
     Ring-necked duck (Zool.), an American scaup duck (Aythya  collaris
        ). The head, neck, and breast of the adult male
        are black, and a narrow, but conspicuous, red ring
        encircles the neck. This ring is absent in the female.
        Called also ring-neck, ring-necked blackhead,
        ringbill, tufted duck, and black jack.
        [1913 Webster]

black jack - U.S. Gazetteer (1990) :

  Black Jack, MO (city, FIPS 6004)
    Location: 38.79815 N, 90.26360 W
    Population (1990): 6128 (2076 housing units)
    Area: 6.9 sq km (land), 0.0 sq km (water)