Ambrosia

The fabled food of the gods (as nectar was their drink), which conferred immortality upon those who partook of it.

An unguent of the gods.

A perfumed unguent, salve, or draught; something very pleasing to the taste or smell.

Formerly, a kind of fragrant plant; now (Bot.), a genus of plants, including some coarse and worthless weeds, called ragweed, hogweed, etc.

any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma

a mixture of nectar and pollen prepared by worker bees and fed to larvae

(classical mythology) the food and drink of the gods; mortals who ate it became immortal