libation

noun3

1. •
   The act of pouring a liquid, most often wine, in sacrifice on the ground, on a ritual object, or on a victim, in honor of some deity.

   • While we to Jove the pure libations pay, Than Jove what apter claims the hallow'd lay? — 1755
2. •
   (humorous) A beverage, especially an alcoholic one.

   • […] watching you, the waiters, not quite making eye-contact but scanning for any little way to be of service, plus plum-jacketed sommeliers walking around to see if you need a non-buffet libation… — 1997
3. •
   The wine or liquid thus poured out.