Definify.com
Webster 1913 Edition
Digenea
‖
Di-ge′ne-a
,Noun.
 pl.
 [NL., fr. Gr. 
δι- 
= δίσ- 
twice + [GREEK] race, offspring.] (Zool.) 
A division of Trematoda in which alternate generations occur, the immediate young not resembling their parents.