Noun
(figuratively) A proponent of war or military intrusiveness.
Synonyms: hawk, warmonger
(literary, dated) An eagle.
Source: en.wiktionary.orgCarter's campaign sought to portray Reagan as a reckless "war hawk," as well as a "dangerous right-wing radical". Source: Internet
In his 1960 book On Thermonuclear War he advocated a more reasoned approach to nuclear warfare and was misunderstood by some of his critics to be a nuclear war hawk in his writings. Source: Internet