E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Soma.
The moon, born from the eyes of Atri, son of Brahma; made the sovereign of plants and planets. Soma ran away with Tara (Star), wife of Vrihaspata, preceptor of the gods, and Buddha was their offspring. (Hindu mythology.)
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To drink the Soma. To become immortal. In the Vedic hymns the Soma is the moon-plant, the juice of which confers immortality, and exhilarates even the gods. It is said to be brought down from heaven by a falcon. (Scandinavian mythology.)