plectognath

from The Century Dictionary.

• Pertaining to the Plectognathi, or having their characters. Also plectognathic, plectognathous.
• noun A member of the Plectognathi.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Zoöl.) Of or pertaining to the Plectognathi.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any fish of the order Tetraodontiformes.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines