"dragonfly" in the noun sense
1. dragonfly, darning needle, devil's darning needle, sewing needle, snake feeder, snake doctor, mosquito hawk, skeeter hawk
slender-bodied non-stinging insect having iridescent wings that are outspread at rest adults and nymphs feed on mosquitoes etc.
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License