Definify.com
Webster 1913 Edition
Cocktail
Cock′tailˊ
,Noun.
1.
A beverage made of brandy, whisky, or gin, iced, flavored, and sweetened.
[U. S.]
2.
(Stock Breeding)
A horse, not of pure breed, but having only one eighth or one sixteenth impure blood in his veins.
Darwin.
3.
A mean, half-hearted fellow; a coward.
[Slang, Eng.]
It was in the second affair that poor little Barney showed he was a
cocktail
. Thackeray.
4.
(Zool.)
A species of rove beetle; – so called from its habit of elevating the tail.