'Hawk-eyed' definitions:

Definition of 'hawk-eyed'

(from WordNet)
adjective
Having very keen vision; "quick-sighted as a cat" [syn: argus-eyed, hawk-eyed, keen-sighted, lynx-eyed, quick-sighted, sharp-eyed, sharp-sighted]

Definition of 'Hawk-eyed'

From: GCIDE
  • Hawk-eyed \Hawk"-eyed`\ (-[imac]d`), a. Having very keen vision; sharp-sighted; discerning. [WordNet sense 1]
  • Syn: keen-sighted, lynx-eyed, quick-sighted, sharp-eyed, sharp-sighted. [1913 Webster]
  • 2. alert to possible danger. [WordNet sense 2]
  • Syn: argus-eyed, open-eyed, unsleeping, vigilant, wary, watchful. [WordNet 1.5]