[dob.son.fly] n [origin unknown] (ca. 1904): a winged insect (family Corydalidae) that has very long slender mandibles in the male and a large carnivorous aquatic larva and that is now usu. considered a neuropteran--compare hellgrammite
DOBSONFLY
Meaning of DOBSONFLY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012