any of an order (Tetraodontiformes) of bony fishes of warm seas, having a small mouth with powerful jaws and bony or spiny scales, as triggerfishes and trunkfishes
adjective
of the plectognaths
See plectognath in American Heritage Dictionary 4
(plĕkˈtŏg-năthˌ)
noun
Any of various tropical marine fishes of the order Tetraodontiformes or Plectognathi, which includes the triggerfishes, puffers, and trunkfishes.