1. Relating to or belonging to the Middle Ages
   "mediaeval scholars";
   - medieval
    
2. As if belonging to the Middle Ages; old-fashioned and unenlightened
   "a mediaeval attitude toward dating";
   - medieval, gothic
    
3. Characteristic of the time of chivalry and knighthood in the Middle Ages
   "mediaeval rites";
   - chivalric, knightly, medieval

See also: nonmodern, past

Encyclopedia: Mediaeval