red-eye

[ red-ahy ]
/ ˈrɛdˌaɪ /

noun

the condition of having bloodshot eyes, as from eyestrain or lack of sleep.
Also red eye, redeye. Informal. a commercial airline flight between two distant points that departs late at night and arrives early in the morning.
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

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 of red-eye

1965–70, for def 2

Definition for red eye (2 of 2)

redeye

[ red-ahy ]
/ ˈrɛdˌaɪ /

noun, plural red·eyes, (especially collectively) red·eye for 1, 2.

adjective

Origin of redeye

1665–75; 1920–25, for def 3; red1 + eye
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for red eye (1 of 3)

red eye


noun

photog an undesirable effect that sometimes appears in flashlight portraits when light from the flash enters the eye and is reflected from the retina on to the film, producing a red colour

British Dictionary definitions for red eye (2 of 3)

redeye

/ (ˈrɛdˌaɪ) /

noun

US slang inferior whiskey
Canadian slang a drink incorporating beer and tomato juice
another name for rudd

British Dictionary definitions for red eye (3 of 3)

red-eye


noun

informal
  1. an aeroplane flight leaving late at night or arriving early in the morning
  2. (as modifier)a red-eye flight
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012