The Collaborative International Dictionary of English v.0.48:

Snuff \Snuff\, v. t. [imp. & p. p. Snuffed; p. pr. & vb. n.
   Snuffing.] [OE. snuffen. See Snuff of a candle Snuff to
   sniff.]
   To crop the snuff of, as a candle; to take off the end of the
   snuff of.
   [1913 Webster]

   To snuff out, to extinguish by snuffing.
      [1913 Webster]