Elvas, a strongly fortified town in Portugal, in the province of Alemtejo, 12 m. W. of Badajoz; is a bishop's see; has a Moorish aqueduct 3½ m. long and 250 ft. high.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Elton, Charles Isaac * Ely