redeye

noun

1. 1

   The names of animals that have red eyes.

2. 2

   Types of beverages.

3. 3

   (travel) An overnight airplane flight.

   “I waited too late to book my holiday flight, so I had to take the red-eye.”

4. 4

   Redness of the conjunctiva; especially when caused by conjunctivitis (pink-eye).

5. 5

   Redness in the eye(s) of someone in a colour photograph, as an unwanted consequence of light from a flash reflecting off blood vessels in the retina.