Noah Webster
Libation
LIBA'TION, noun [Latin libatio, from libo, to pour out, to taste.]
1. The act of pouring a liquor, usually wine, either on the ground, or on a victim in sacrifice, in honor of some deity. The Hebrews, Greeks and Romans practiced libation This was a solemn act and accompanied with prayer.
2. The wine or other liquor poured out in honor of a deity.