drinker

noun5

1. •
   Agent noun of drink; someone or something that drinks.
2. •
   Someone who drinks alcoholic beverages on a regular basis.

   • At a single table a couple of Chinese drinkers looked up incuriously. — 1958
3. •
   A device from which animals can drink.
4. •
   (slang) A pub.

   • Antisocial behaviour? What the hell was that? In my day antisocial meant staying in to watch the footy on Scotsport instead of going down the drinker. — 2011
5. •
   A lasiocampid moth of species Euthrix potatoria, having an orange-brown colour.