Definition from Wiktionary, the free dictionary
- Rhymes: -ɪŋkə(r)
drinker (plural drinkers)
- Agent noun of drink; someone or something that drinks.
- Someone who drinks alcoholic beverages on a regular basis, especially when to an extent that is likely to impair his or her well-being.
- A device from which animals can drink.
- a bell drinker
- a nipple drinker
Derived terms 
one that drinks