- re|di|a
-
a larval stage in many trematodes, hatched from eggs formed in the sporocyst, and in turn developing into a cercaria: »
Each redia has a small mouth, a muscular pharynx, and a simple intestine (London Times).
╂[< New Latin redia < Francesco Redi, an Italian naturalist of the 1600's]
Useful english dictionary. 2012.