collins

A tall iced drink made with liquor, such as gin, and lemon or lime juice.

[Probably from the name Collins.]

A tall, iced cocktail made with liquor (gin, rum, vodka, whiskey or brandy), lemon juice, sugar and soda water, and garnished with a lemon slice. The drink is served in a 10- to 12-ounce "Collins" glass. The most popular of this genre is the Tom Collins, which is made with gin and is said to have been named for its creator.

The noun has one meaning:

Meaning #1: tall iced drink of liquor (usually gin) with fruit juice
  Synonym: Tom Collins