The Collaborative International Dictionary of English v.0.48:

Maa \Maa\, n. [See New a gull.] (Zool.)
   The common European gull (Larus canus); -- called also
   mar. See New, a gull.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mar \Mar\, n.
   A mark or blemish made by bruising, scratching, or the like;
   a disfigurement.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mar \Mar\, n.
   A small lake. See Mere. [Prov. Eng.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mar \Mar\, v. t. [imp. & p. p. Marred (m[aum]rd); p. pr. & vb.
   n. Marring.] [OE. marren, merren, AS. merran, myrran (in
   comp.), to obstruct, impede, dissipate; akin to OS. merrian,
   OHG. marrjan, merran; cf. D. marren, meeren, to moor a ship,
   Icel. merja to bruise, crush, and Goth. marzjan to offend.
   Cf. Moor, v.]
   1. To make defective; to do injury to, esp. by cutting off or
      defacing a part; to impair; to disfigure; to deface.
      [1913 Webster]

            I pray you mar no more trees with wiring love songs
            in their barks.                       --Shak.
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            But mirth is marred, and the good cheer is lost.
                                                  --Dryden.
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            Ire, envy, and despair
            Which marred all his borrowed visage. --Milton.
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   2. To spoil; to ruin. "It makes us, or it mars us." "Striving
      to mend, to mar the subject." --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mew \Mew\, n. [AS. m?w, akin to D. meeuw, G. m["o]we, OHG. m?h,
   Icel. m[=a]r.] (Zool.)
   A gull, esp. the common British species (Larus canus);
   called also sea mew, maa, mar, mow, and cobb.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Mar
    n 1: the month following February and preceding April [syn:
         March, Mar]
    2: a mark or flaw that spoils the appearance of something
       (especially on a person's body); "a facial blemish" [syn:
       blemish, defect, mar]
    v 1: make imperfect; "nothing marred her beauty" [syn: mar,
         impair, spoil, deflower, vitiate]
    2: destroy or injure severely; "mutilated bodies" [syn:
       mutilate, mar]