Calvert definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Calvert definition by American Heritage Dictionary
Family of English colonists in America, including George (1580?-1632), First Baron Baltimore; his son Cecilius (1605-1675), Second Baron and recipient of the Maryland charter; another son, Leonard (1606-1647), first governor of Maryland (1634-1647); and Cecilius's son Charles (1637-1715), Third Baron and governor (1661-1675) and proprietor (1675-1689) of Maryland.