The Collaborative International Dictionary of English v.0.48:

Hawk \Hawk\ (h[add]k), v. i. [imp. & p. p. Hawked (h[add]kt);
   p. pr. & vb. n. Hawking.]
   1. To catch, or attempt to catch, birds by means of hawks
      trained for the purpose, and let loose on the prey; to
      practice falconry.
      [1913 Webster]

            A falconer Henry is, when Emma hawks. --Prior.
      [1913 Webster]

   2. To make an attack while on the wing; to soar and strike
      like a hawk; -- generally with at; as, to hawk at flies.
      --Dryden.
      [1913 Webster]

            A falcon, towering in her pride of place,
            Was by a mousing owl hawked at and killed. --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Hawking
    n 1: English theoretical physicist (born in 1942) [syn:
         Hawking, Stephen Hawking, Stephen William Hawking]
    2: the act of selling goods for a living [syn: vending,
       peddling, hawking, vendition]