Definitions from Wiktionary ( )

▸ noun:  (countable) Any of various animals that have red eyes.
▸ noun:  The common rudd (Scardinius erythrophthalmus), a freshwater fish.
▸ noun:  Any of various grass-skippers or hesperiid butterflies of the genus Matapa.
▸ noun:  The red-eyed treefrog (Agalychnis callidryas), which is native to neotropical rainforests.
▸ noun:  (Australia) A species of cicada, Psaltoda moerens, native to eastern Australia.
▸ noun:  (Canada, US) The red-eyed vireo (Vireo olivaceus), a small American songbird.
▸ noun:  (South Africa, US) Any of various round herrings of the genus Etrumeus.
▸ noun:  (US) Either of two subspecies of the copperhead (Agkistrodon contortrix), a venomous pit viper native to the United States: either the broad-banded copperhead or Texas copperhead (Agkistrodon contortrix laticinctus), or the highland moccasin or northern copperhead (Agkistrodon contortrix mokasen).
▸ noun:  (US) Any of various sunfishes of the family Centrarchidae, especially the redeye bass (Micropterus coosae) or the rock bass (Ambloplites rupestris).
▸ noun:  The redeye tetra (Moenkhausia sanctaefilomenae), a freshwater fish, commonly kept in aquariums, native to South America.
▸ noun:  (countable) Types of beverages or sauces.
▸ noun:  A drink made by adding a shot of espresso to a cup of coffee.
▸ noun:  (Canada, regional) A drink consisting of beer with tomato juice.
▸ noun:  (US, slang) A strong but poor-quality whiskey.
▸ noun:  (countable, US, aviation, travel, colloquial, also attributively) An overnight airplane flight or train trip.
▸ noun:  (countable, uncountable, medicine) Redness of the conjunctiva; especially when caused by conjunctivitis (pink-eye).
▸ noun:  (countable, uncountable, photography) 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.
▸ verb:  (intransitive, aviation, travel, colloquial) Often followed by it: to travel on a red-eye (“an overnight airplane flight”).
▸ noun:  Ellipsis of red-eye gravy. [(cooking) A thin sauce found in Southern US cuisine, made from the drippings of pan-fried country ham mixed with black coffee.]

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