Definition of "keep an eye out" []

• To watch for, look for, or search for. (verb)

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• ""She says to keep an eye out in an hour for their he — hel —""
• "As a rescue pilot he had seen his share of fear in people's eyes; Rachel Sexton had definitely been afraid when she asked him to keep an eye out for unexpected visitors to the Goya."
• "I drew breath to tell Tinker to keep an eye out for a rumoured Brescian miquelet-flint pistol but that made me think of modern weapons which made me think of revolvers which made me think of Arcellano so I shut up."