What is "virgalieu"

Virgalieu \Vir"ga*lieu\, n. [Cf. Virgouleuse.] (Bot.) A valuable kind of pear, of an obovate shape and with melting flesh of delicious flavor; -- more properly called White Doyenn['e]. [Written also virgaloo, vergalieu, vergaloo, etc.]

n. A valuable kind of pear, of an obovate shape and with melting flesh of delicious flavor; also called White Doyenne.