Definition of "hawk-eyed" [hawk•-eyed]

• Having very keen eyesight. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Sipping from plastic cups, hawk-eyed over the rims, something unmistakably hard and reserved in their features."
• "SO varied: not just the big five who are all present and correct, the rangers are so hawk-eyed that they will also point out tiny birds and reptiles that you would otherwise miss."
• "To reinforce the point, a hawk-eyed commentator in Australia noted recently that not one of the country's four largest dailies, Sydney Morning Herald, Australian Financial Review, The Age from Fairfax and News Corp's The Australian is now consistently profitable."