The Collaborative International Dictionary of English v.0.48:

Smother \Smoth"er\, n. [OE. smorther. See Smother, v. t.]
   1. Stifling smoke; thick dust. --Shak.
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   2. A state of suppression. [Obs.]
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            Not to keep their suspicions in smother. --Bacon.
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   3. That which smothers or causes a sensation of smothering,
      as smoke, fog, the foam of the sea, a confused multitude
      of things.

            Then they vanished, swallowed up in the grayness of
            the evening and the smoke and smother of the storm.
                                                  --The Century.
      [Webster 1913 Suppl.]

   Smother fly (Zool.), an aphid.
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