drinker noun
ADJ. habitual, hard, heavy This liver condition is common in heavy drinkers. | moderate | problem help for the families and friends of problem drinkers | social She is a social drinker only?she never drinks at home. | beer, coffee, tea, etc. I'm not a big tea drinker.
You can also check other dicts: drinker (English, 中文解释 ), wordnet sense, Collins Definition