Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun plectognath
1 sense of plectognath
Sense 1
plectognath, plectognath fish -- (tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines)
=> spiny-finned fish, acanthopterygian -- (a teleost fish with fins that are supported by sharp inflexible rays)