foretaste; offering of first fruits
• (n.) A pouring out, or libation, before tasting. • (n.) A tasting beforehand, or by anticipation; a foretaste; as, a prelibation of heavenly bliss.
Pre`li·ba'tion noun [ Latin praelibatio , from praelibare to taste beforehand: confer French prelibation .] 1. A tasting beforehand, or by anticipation; a foretaste; as, a prelibation of heavenly bliss. 2. A pouring out, or libation, before tasting. 
a foretaste.