[countable] either of the two organs on the face that you see with The suspect has dark hair and green eyes. to close/open your eyes to drop/lower your eyes (= to look down) There were tears in his eyes. I have something in my eye. His eyes narrowed suspiciously. Her eyes widened in horror. to make/avoid eye contact with somebody (= to look/avoid looking at them at the same time as they look at you) All eyes were on him (= everyone was looking at him) as he walked on to the stage.