- /ˈrɛd-aɪ/ (say 'red-uy)
1. Colloquial of or relating to a plane flight regularly scheduled in the very early hours of the morning: the red-eye special.
2. Colloquial such a flight.
3. a black cicada of eastern Australia, Psaltoda moerens, having ruby red eyes.
4. an undesirable effect in photography in which the eyes of the subject appear red, caused by light from the flash reflecting off the retina.
5. US a cheap whisky of poor quality.
Australian English dictionary. 2014.