libation
noun
li·ba·tion
| \ lī-ˈbā-shən
\
\
Definition of libation
1a
: an act of pouring a liquid as a sacrifice (as to a deity)
They offered a libation at the temple.
b
: a liquid (such as wine) used in a libation
2a
: an act or instance of drinking often ceremoniously
a libation to celebrate their anniversary