Obs. rare. [See prec. and -ATION.] A sleep; a dream.

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1597.  A. M., trans. Guillemeau’s Fr. Chirurg., To the King. Beinge resuscitated, & erected out of a profounde, & deepe somniation. Ibid. (1599), trans. Gabelhouer’s Bk. Physicke, 40/2. Vse goode store of Lettis-seedes for that expelleth all phantasticalle somniationes.

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