Source : Webster's Revised Unabridged Dictionary (1913)

Surf \Surf\, n.
   The bottom of a drain. [Prov. Eng.]

Surf \Surf\, n. [Formerly spelled suffe, and probably the same
   word as E. sough.]
   The swell of the sea which breaks upon the shore, esp. upon a
   sloping beach.

   {Surf bird} (Zo["o]l.), a ploverlike bird of the genus
      {Aphriza}, allied to the turnstone.

   {Surf clam} (Zo["o]l.), a large clam living on the open
      coast, especially {Mactra, or Spisula, solidissima}. See
      {Mactra}.

   {Surf duck} (Zo["o]l.), any one of several species of sea
      ducks of the genus {Oidemia}, especially {O.
      percpicillata}; -- called also {surf scoter}. See the Note
      under {Scoter}.

   {Surf fish} (Zo["o]l.), any one of numerous species of
      California embiotocoid fishes. See {Embiotocoid}.

   {Surf smelt}. (Zo["o]l.) See {Smelt}.

   {Surf whiting}. (Zo["o]l.) See under {Whiting}.

Source : WordNet®

surf
     n : waves breaking on the shore [syn: {breaker}, {breakers}]

surf
     v 1: ride the waves of the sea with a surfboard; "Californians
          love to surf"
     2: look around casually and randomly, without seeking anything
        in particular; "browse a computer directory"; "surf the
        internet or the world wide web" [syn: {browse}]
     3: switch channels, on television [syn: {channel-surf}]