an unwanted photographic effect in which a person's iris appears to be red: caused by the reflection of a flashbulb off the blood vessels of the retina.
adjective
5.
Also, redeye. Informal. of or indicating a long-distance flight that leaves late at night:
the red-eye special from New York to Los Angeles.
Origin
1965-70,for def 2
redeye
[red-ahy] /ˈrɛdˌaɪ/
noun, plural redeyes (especially collectively) redeye for 1, 2.
1.
any of several fishes having red eyes, as the rock bass.
an aeroplane flight leaving late at night or arriving early in the morning
(as modifier): a red-eye flight
Word Origin and History for redeye
red-eye
n.
"airplane flight which deprives travelers of sleep," 1968, from the red eyes of sleeplessness; earlier as a noun meaning "raw and inferior whiskey" (1819, American English).
Slang definitions & phrases for redeye
redeye
noun
Raw and inferior whiskey; panther piss, rotgut: Barrow put down a slug of redeye(1819+)