The Collaborative International Dictionary
Perlid
Perlid \Per"lid\, n. (Zo["o]l.) Any insect of the genus Perla, or family Perlid[ae]. See Stone fly, under Stone.
Wiktionary
perlid
n. (context zoology English) Any insect of the genus ''Perla'' or family ''(taxlink Perlidae family)''.