What is the meaning of Hawk?

A diurnal predatory bird of the family Accipitridae, smaller than an eagle.

Any diurnal predatory terrestrial bird of similar size and appearance to the accipitrid hawks, such as a falcon.

Any of various species of dragonfly of the genera Apocordulia and Austrocordulia, endemic to Australia.

An advocate of aggressive political positions and actions.

An 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.

Cold, sharp or biting wind.

To hunt with a hawk.

To make an attack while on the wing; to soar and strike like a hawk.

A plasterer's tool, made of a flat surface with a handle below, used to hold an amount of plaster prior to application to the wall or ceiling being worked on: a mortarboard.

To sell; to offer for sale by outcry in the street; to carry (merchandise) about from place to place for sale; to peddle.

A noisy effort to force up phlegm from the throat.

To expectorate, to cough up (something, such as mucus) from one's throat; to produce (something) by coughing or clearing one's throat.

To try to cough up something from one's throat; to clear the throat loudly; to cough heavily, especially causing uvular frication.

Lenited form of shawk.

Source: wiktionary.org