Mediaeval
Part of speech: adjective
Definition: Of or relating to the Middle Ages, the period from approximately 500 to 1500 AD.
Medieval
Part of speech: adjective
Definition: of or relating to the Middle Ages, perhaps AD 650 to 1550.having characteristics associated with the Middle Ages.archaic.brutal.
Part of speech: noun
Definition: Someone living in the Middle Ages.A medieval one.
Example sentence: It's a fine line between magic and science. In medieval times, science was magic.