| 释义 |
plectognath, a. and n. Ichthyol.|ˈplɛktəgnæθ|
[f. mod.L. Plectognathi, f. Gr. πλεκτός plaited, twisted + γνάθος jaw.]
a. adj. Of or pertaining to the Plectognathi, a suborder of teleostean fishes, having the upper jaw attached to the cranium, and the skeleton imperfectly ossified.
b. n. A fish of this suborder. So plectognathian |-ˈgneɪθɪən| a. and n., plectognathic |-ˈgnæθɪk|, plectognathous |-ˈɒgnəθəs| adjs. = sense a above.
1835Kirby Hab. & Inst. Anim. II. xxi. 391 Plectognathian Fishes. Gill-covers concealed under a thick skin. Ribs rudimental. Ventral fins wanting. 1841E. Scudamore Nomenclature, Plectognathic,..fishes with fixed jaws, as the sun-fish, &c. 1858Mayne Expos. Lex., Plectognathus, knitted or connected cheeks..from a peculiar arrangement of the jaw and palatine arch: plectognathous. |