From The Collaborative International Dictionary of English v.0.48 [gcide]:
Beverage \Bev"er*age\, n. [OF. bevrage, F. breuvage, fr. beivre
to drink, fr. L. bibere. Cf. Bib, v. t., Poison,
Potable.]
1. Liquid for drinking; drink; -- usually applied to drink
artificially prepared and of an agreeable flavor; as, an
intoxicating beverage.
[1913 Webster]
He knew no beverage but the flowing stream.
--Thomson.
[1913 Webster]
2. Specifically, a name applied to various kinds of drink.
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3. A treat, or drink money. [Slang]
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From WordNet (r) 3.0 (2006) [wn]:
beverage
n 1: any liquid suitable for drinking; "may I take your beverage
order?" [syn: beverage, drink, drinkable, potable]