From Longman Dictionary of Contemporary Englishhawkhawk1 /hɔːk $ hɒːk/ noun [countable] 1 
HBBa large bird that hunts and eats small birds and animals2 PPPWARa politician who believes in using military force OPP dove3 → watch somebody like a hawk4 → have eyes like a hawk
HBBa large bird that hunts and eats small birds and animals2 PPPWARa politician who believes in using military force OPP dove3 → watch somebody like a hawk4 → have eyes like a hawkExamples from the Corpus
hawk• And when a hawk meets a hawk?• California growers have found that enlisting the aid of hawks and owls is relatively simple.• On this argument, the hawks have found an unlikely ally: the Clinton administration.• The past is the hawk, flying higher; its talons are stronger, its wings wide and majestic.• I knew how the mouse felt when the hawk seized it.• The hawks in the government would never permit any talks with the enemy.• the hawks in the President's cabinet• The hawk was sacred to her, and was used to depict her symbolically in art.• More fundamental were his experiments with hawks, in which he fed them meat contained in small cages.hawkhawk2 verb 1 [transitive]SELL to try to sell goods, usually by going from place to place and trying to persuade people to buy them2 [intransitive, transitive]HBH to cough up phlegm→ See Verb tableExamples from the Corpus
hawk• It swoops low, hawking, across the hillside, over the fort and out into the mists of Corve Dale.• Most people know that they hawk and feed on other flies.• The crowd milled around chatting and exchanging tips, hawking and spitting, slurping tea and placing bets.• Gregarious, flocks often hawking for flying insects and spiralling up to perform aerobatics.• Bob Hope, for instance, came on the J. C. Penney shopping channel to hawk his new book.• A man on the corner was hawking T-shirts and souvenirs.• Contraceptives are hawked through the print media and on billboards.From Longman Business Dictionaryhawkhawk1 /hɔːkhɒːk/ noun [countable] a politician or official who believes in using force or firm action when dealing with problems, rather than a more peaceful approachMr George has a reputation as a hawk on inflation.He has always been a deficit hawk (=a politician who wants to reduce the amount of money the government owes). → compare dove —hawkish adjectivehawkish political leadershawkhawk2 verb [transitive]1journalism to sellan ex-athlete who now hawks exercise equipment2disapproving to try to make people interested in something or to try to make them buy somethingHe’s been on every chat show hawking his new movie.→ See Verb tableOrigin hawk1 Old English hafoc hawk2 1. (1500-1600) hawker2. (1500-1600) Probably from the sound 