damselfly
['crutch', 'water ouzel, dipper', 'gar, garfish, garpike, billfish, Lepisosteus osseus', 'jay', 'horned viper, cerastes, sand viper, horned asp, Cerastes cornutus', 'chiton, coat-of-mail shell, sea cradle, polyplacophore', 'hard disc, hard disk, fixed disk']