The Collaborative International Dictionary of English v.0.48:

Maw \Maw\ (m[add]), n. [See Mew a gull.] (Zool.)
   A gull.
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The Collaborative International Dictionary of English v.0.48:

Maw \Maw\, n. [OE. mawe, AS. maga stomach; akin to D. maag, OHG.
   mago, G. magen, Icel. magi, Sw. mage, Dan. mave. [root]103.]
   1. A stomach; the receptacle into which food is taken by
      swallowing; in birds, the craw; -- now used only of the
      lower animals, exept humorously or in contempt. --Chaucer.
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            Bellies and maws of living creatures. --Bacon.
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   2. Appetite; inclination. [Obs.]
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            Unless you had more maw to do me good. --Beau. & Fl.
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   Fish maw. (Zool.) See under Fish.
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The Collaborative International Dictionary of English v.0.48:

Maw \Maw\, n.
   An old game at cards. --Sir A. Weldon.
   [1913 Webster]

WordNet (r) 3.0 (2006):

maw
    n 1: informal terms for the mouth [syn: trap, cakehole,
         hole, maw, yap, gob]