Swe'ven noun [ Anglo-Saxon swefen sleep, dream; akin to swebban , swefian , to put to sleep, to kill. √176. See Somnolent .] A vision seen in sleep; a dream. [ Obsolete] Wycliff (Acts ii. 17). « I defy both sweven and dream.» Chaucer. Found on http://www.encyclo.co.uk/webster/S/258