plectognathn.adj.

Brit.

/ˈplɛktə(ɡ)naθ/, U.S.

/ˈplɛktəɡˌnæθ/

Origin: Either (i) a borrowing from Latin. Or (ii) a borrowing from French. Etymons: Latin Plectognathi; French Plectognathes.

Etymology: < (i) scientific Latin Plectognathi, order name ( C. L. Bonaparte Saggio d'una distribuzione metodica degli animali vertebr. (1832) 62) or its etymon (ii) French Plectognathes ( Cuvier Règne animal (1817) II. 144) < ancient Greek πλεκτός plaited, twisted ( < πλέκειν to plait, twist (see plecolepidous adj.) + -τός , suffix forming verbal adjectives) + γνάθος jaw (see -gnath comb. form).With use as adjective compare French plectognathe (1860 or earlier), and earlier plectognathian adj. and n., plectognathic adj., plectognathous adj.

Ichthyology.

A. n.

A fish of the order Tetraodontiformes (or Plectognathi), which comprises tropical marine teleosts having beaklike mouths in which the upper jaw is firmly attached to the cranium and skin that is either thick and leathery or consists of spines or plates.The order includes puffer fishes and filefishes.

ΚΠ

1848 L. Agassiz & A. A. Gould Princ. Zöol. xiii. 173 An infinite variety of singular fishes, embracing a large number of Plectognaths.

1880 A. Günther Introd. Study of Fishes 199 [In] the Cretaceous group..Physostomes and Plectognaths are likewise well represented.

1903 Amer. Naturalist 37 501 He divides the plectognaths into two divisions, the Sclerodermi and the gymnodontes.

1961 E. S. Herald Living Fishes of World 275/1 The plectognaths probably descended from a surgeonfish-like ancestor.

1995 Hartford (Connecticut) Courant (Nexis) 23 Feb. c6 Someone told us that the fish that eats the algae off the side of the tank had a really cool name. Two of the people in the band called up the pet shop and asked them what's the name. It was some long name (plectognath).

B. adj.

Of or relating to this order.

ΚΠ

1871 Amer. Naturalist 5 580 Having instituted an investigation of Agassiz' Ganoids..he purged it of the Plectognath and Lophobranchiate divisions, which are obviously not related to it.

1912 Amer. Naturalist 46 753 Nils Rosen describes the blood-vascular system of the Plectognath fishes.

1958 Evolution 12 119/1 The plectognath fish (puffers and trunkfish, etc.) vary the theme in yet another way.

1984 Amer. Museum Novitates No. 2782. 1 (title) Zeiforms as primitive plectognath fishes.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	plectognath
释义	plectognathn.adj. Brit. /ˈplɛktə(ɡ)naθ/, U.S. /ˈplɛktəɡˌnæθ/ Origin: Either (i) a borrowing from Latin. Or (ii) a borrowing from French. Etymons: Latin Plectognathi; French Plectognathes. Etymology: < (i) scientific Latin Plectognathi, order name ( C. L. Bonaparte Saggio d'una distribuzione metodica degli animali vertebr. (1832) 62) or its etymon (ii) French Plectognathes ( Cuvier Règne animal (1817) II. 144) < ancient Greek πλεκτός plaited, twisted ( < πλέκειν to plait, twist (see plecolepidous adj.) + -τός , suffix forming verbal adjectives) + γνάθος jaw (see -gnath comb. form).With use as adjective compare French plectognathe (1860 or earlier), and earlier plectognathian adj. and n., plectognathic adj., plectognathous adj. Ichthyology. A. n. A fish of the order Tetraodontiformes (or Plectognathi), which comprises tropical marine teleosts having beaklike mouths in which the upper jaw is firmly attached to the cranium and skin that is either thick and leathery or consists of spines or plates.The order includes puffer fishes and filefishes. ΚΠ 1848 L. Agassiz & A. A. Gould Princ. Zöol. xiii. 173 An infinite variety of singular fishes, embracing a large number of Plectognaths. 1880 A. Günther Introd. Study of Fishes 199 [In] the Cretaceous group..Physostomes and Plectognaths are likewise well represented. 1903 Amer. Naturalist 37 501 He divides the plectognaths into two divisions, the Sclerodermi and the gymnodontes. 1961 E. S. Herald Living Fishes of World 275/1 The plectognaths probably descended from a surgeonfish-like ancestor. 1995 Hartford (Connecticut) Courant (Nexis) 23 Feb. c6 Someone told us that the fish that eats the algae off the side of the tank had a really cool name. Two of the people in the band called up the pet shop and asked them what's the name. It was some long name (plectognath). B. adj. Of or relating to this order. ΚΠ 1871 Amer. Naturalist 5 580 Having instituted an investigation of Agassiz' Ganoids..he purged it of the Plectognath and Lophobranchiate divisions, which are obviously not related to it. 1912 Amer. Naturalist 46 753 Nils Rosen describes the blood-vascular system of the Plectognath fishes. 1958 Evolution 12 119/1 The plectognath fish (puffers and trunkfish, etc.) vary the theme in yet another way. 1984 Amer. Museum Novitates No. 2782. 1 (title) Zeiforms as primitive plectognath fishes. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.adj.1848
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