The Collaborative International Dictionary of English v.0.48:

Flush \Flush\, v. i. [imp. & p. p. Flushed; p. pr. & vb. n.
   Flushing.] [Cf. OE. fluschen to fly up, penetrate, F. fluz
   a flowing, E. flux, dial. Sw. flossa to blaze, and E. flash;
   perh. influenced by blush. [root]84.]
   1. To flow and spread suddenly; to rush; as, blood flushes
      into the face.
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            The flushing noise of many waters.    --Boyle.
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            It flushes violently out of the cock. --Mortimer.
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   2. To become suddenly suffused, as the cheeks; to turn red;
      to blush.
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   3. To snow red; to shine suddenly; to glow.
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            In her cheek, distemper flushing glowed. --Milton.
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   4. To start up suddenly; to take wing as a bird.
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            Flushing from one spray unto another. --W. Browne.
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WordNet (r) 3.0 (2006):

flushed
    adj 1: having the pinkish flush of health [syn: flushed,
           rose-cheeked, rosy, rosy-cheeked]
    2: (especially of the face) reddened or suffused with or as if
       with blood from emotion or exertion; "crimson with fury";
       "turned red from exertion"; "with puffy reddened eyes"; "red-
       faced and violent"; "flushed (or crimson) with embarrassment"
       [syn: crimson, red, reddened, red-faced, flushed]