• beer
• 1 [uncountable] an alcoholic drink made from maltand hops:
• a pint of beer
• We sell draught beer (=beer served from a large container, not a bottle).
• 2 [countable] a glass, bottle, or can of beer:
• Do you fancy a beer?
• —beery adjective:
• his beery breath
• ➔ ginger beer, root beer

   ; ➔ small beer

   at small1 (16)

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.