Obs. rare. [See prec. and -ATION.] A sleep; a dream.
1597. A. M., trans. Guillemeaus Fr. Chirurg., To the King. Beinge resuscitated, & erected out of a profounde, & deepe somniation. Ibid. (1599), trans. Gabelhouers Bk. Physicke, 40/2. Vse goode store of Lettis-seedes for that expelleth all phantasticalle somniationes.