1. (noun)hellgrammiate, dobson large brown aquatic larva of the dobsonfly; used as fishing bait Synonyms: dobson, dobsonfly, hellgrammiate, dobson fly
2. (noun)dobson, dobsonfly, dobson fly, Corydalus cornutus large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait Synonyms: dobson, dobsonfly, hellgrammiate, dobson fly