The Collaborative International Dictionary of English v.0.48:

Goose \Goose\ (g[=oo]s), n.; pl. Geese (g[=e]s). [OE. gos, AS.
   g[=o]s, pl. g[=e]s; akin to D. & G. gans, Icel. g[=a]s, Dan.
   gaas, Sw. g[*a]s, Russ. guse. OIr. geiss, L. anser, for
   hanser, Gr. chh`n, Skr. ha[.m]sa. [root]233. Cf. Gander,
   Gannet, Ganza, Gosling.] (Zool.)
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   1. Any large web-footen bird of the subfamily Anserin[ae],
      and belonging to Anser, Branta, Chen, and several
      allied genera. See Anseres.
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   Note: The common domestic goose is believed to have been
         derived from the European graylag goose (Anser
         anser). The bean goose (A. segetum), the American
         wild or Canada goose (Branta Canadensis), and the
         bernicle goose (Branta leucopsis) are well known
         species. The American white or snow geese and the blue
         goose belong to the genus Chen. See Bernicle,
         Emperor goose, under Emperor, Snow goose, Wild
         goose, Brant.
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   2. Any large bird of other related families, resembling the
      common goose.
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   Note: The Egyptian or fox goose (Alopochen Aegyptiaca) and
         the African spur-winged geese (Plectropterus) belong
         to the family Plectropterid[ae]. The Australian
         semipalmated goose (Anseranas semipalmata) and Cape
         Barren goose (Cereopsis Nov[ae]-Hollandi[ae]) are
         very different from northern geese, and each is made
         the type of a distinct family. Both are domesticated in
         Australia.
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   3. A tailor's smoothing iron, so called from its handle,
      which resembles the neck of a goose.
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   4. A silly creature; a simpleton.
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   5. A game played with counters on a board divided into
      compartments, in some of which a goose was depicted.
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            The pictures placed for ornament and use,
            The twelve good rules, the royal game of goose.
                                                  --Goldsmith.
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   A wild goose chase, an attempt to accomplish something
      impossible or unlikely of attainment.

   Fen goose. See under Fen.

   Goose barnacle (Zool.), any pedunculated barnacle of the
      genus Anatifa or Lepas; -- called also duck
      barnacle. See Barnacle, and Cirripedia.

   Goose cap, a silly person. [Obs.] --Beau. & .

   Goose corn (Bot.), a coarse kind of rush (Juncus
      squarrosus).

   Goose feast, Michaelmas. [Colloq. Eng.]

   Goose grass. (Bot.)
      (a) A plant of the genus Galium (G. Aparine), a
          favorite food of geese; -- called also catchweed and
          cleavers.
      (b) A species of knotgrass (Polygonum aviculare).
      (c) The annual spear grass (Poa annua).

   Goose neck, anything, as a rod of iron or a pipe, curved
      like the neck of a goose; specially (Naut.), an iron hook
      connecting a spar with a mast.

   Goose quill, a large feather or quill of a goose; also, a
      pen made from it.

   Goose skin. See Goose flesh, above.

   Goose tongue (Bot.), a composite plant (Achillea
      ptarmica), growing wild in the British islands.

   Sea goose. (Zool.) See Phalarope.

   Solan goose. (Zool.) See Gannet.
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The Collaborative International Dictionary of English v.0.48:

Duck \Duck\, n. [OE. duke, doke. See Duck, v. t. ]
   1. (Zool.) Any bird of the subfamily Anatin[ae], family
      Anatid[ae].
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   Note: The genera and species are numerous. They are divided
         into river ducks and sea ducks. Among the former
         are the common domestic duck (Anas boschas); the wood
         duck (Aix sponsa); the beautiful mandarin duck of
         China (Dendronessa galeriliculata); the Muscovy duck,
         originally of South America (Cairina moschata). Among
         the sea ducks are the eider, canvasback, scoter, etc.
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   2. A sudden inclination of the bead or dropping of the
      person, resembling the motion of a duck in water.
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            Here be, without duck or nod,
            Other trippings to be trod.           --Milton.
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   Bombay duck (Zool.), a fish. See Bummalo.

   Buffel duck, Spirit duck. See Buffel duck.

   Duck ant (Zool.), a species of white ant in Jamaica which
      builds large nests in trees.

   Duck barnacle. (Zool.) See Goose barnacle.

   Duck hawk. (Zool.)
      (a) In the United States: The peregrine falcon.
      (b) In England: The marsh harrier or moor buzzard.

   Duck mole (Zool.), a small aquatic mammal of Australia,
      having webbed feet and a bill resembling that of a duck
      (Ornithorhynchus anatinus). It belongs the subclass
      Monotremata and is remarkable for laying eggs like a bird
      or reptile; -- called also duckbill, platypus,
      mallangong, mullingong, tambreet, and water mole.


   To make ducks and drakes, to throw a flat stone obliquely,
      so as to make it rebound repeatedly from the surface of
      the water, raising a succession of jets; hence:

   To play at ducks and drakes, with property, to throw it
      away heedlessly or squander it foolishly and unprofitably.


   Lame duck. See under Lame.
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