cocktailnoun/ˈkɒk.teɪl/

• 1

  A mixed alcoholic beverage.

  • They visited a bar noted for its wide range of cocktails.
  • [...] a certain candidate has placed in his account of Loss and Gain, the following items:-- LOSS [...] 411 glasses bitters[,] 25 do. cock-tail
• 2

  A mixture of other substances or things.

  • Scientists found a cocktail of pollutants in the river downstream from the chemical factory.
  • a cocktail of illegal drugs
• 3

  A horse, not of pure breed, but having only one eighth or one sixteenth impure blood in its veins.

  • A “cock-tail” is a horse not purely bred, but with only one-eighth or one-sixteenth impure blood in his veins
• 4

  datedslangA mean, half-hearted fellow.

  • It was in the second affair that poor little Barney showed he was a cocktail.
• 5

  A species of rove beetle, so called from its habit of elevating the tail.

cocktailadj/ˈkɒk.teɪl/

• 1

  obsoleteOstentatiously lacking in manners.

  • It looks very cocktail to be seen riding through the streets of London in a scarlet coat ;
  • The Prince had nothing particular about him but a monstrous smart whip with a gold stag for a handle, which was pronounced a very cocktail looking instrument by the Leicestershire farmers, with whom His Serene Highness is no favorite

cocktailverb/ˈkɒk.teɪl/

• 1

  To adulterate (fuel, etc.) by mixing in other substances.

• 2

  To treat (a person) to cocktails.

  • He dined and cocktailed her at the most exclusive bars and restaurants.