Definitions
1.nounA diurnal predatory bird of the family Accipitridae, smaller than an eagle."It is illegal to hunt hawks or other raptors in many parts of the world."
2.nounAny diurnal predatory terrestrial bird of similar size and appearance to the accipitrid hawks, such as a falcon
3.nounAn advocate of aggressive political positions and actions.
4.nounAn uncooperative or purely-selfish participant in an exchange or game, especially when untrusting, acquisitive or treacherous. Refers specifically to the Prisoner's Dilemma, alias the Hawk-Dove game.
5.verbTo hunt with a hawk.
6.verbTo make an attack while on the wing; to soar and strike like a hawk."to hawk at flies"