plectognath [
'plektɒgnæθ]
n. 愈颌目鱼
plectognath[ noun ]
tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines
<noun.animal>
Plectognath \Plec"tog*nath\, a. (Zo["o]l.)
Of or pertaining to the Plectognathi. -- n. One of the
Plectognathi.