ppl. a. Obs. rare. [See SOMNI- and -FY.] Inducing sleep.

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1634.  Brereton, Trav. (Chetham Soc.), 40. He also discoursed of … hemlock, which he said was of a most venomous, somnifying, stupifying, and intoxicating quality.

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1770.  Chatterton, in Masson, Life, II. iii. (1874), 163. This somnifying liquor had made her voice so like the sweet echo of Miss Hill’s that … I should absolutely have imagined it hers.

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