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]

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "hawking":
   blurred, breathy, chase, chevy, chivy, choked, choking,
   consumer preference study, consumer research, consumer survey,
   coursing, croaking, cynegetics, direct-mail selling, drawling,
   drawly, dysphonic, falconry, fox hunting, gunning, guttural,
   hard sell, harsh, high-pressure salesmanship, hoarse, huckstering,
   hunt, hunting, inarticulate, indistinct, jobbing, lisping,
   low-pressure salesmanship, mail-order selling, market research,
   marketing, marketing research, merchandising, mispronounced, muzzy,
   nasal, peddling, promotion, quavering, retailing, sales campaign,
   sales promotion, salesmanship, selling, sellout, shaking, shaky,
   shikar, shooting, snuffling, soft sell, sport, sporting, stalking,
   stifled, still hunt, strangled, thick, throaty, tremulous, twangy,
   velar, venery, wholesaling