postcostaladj.
/ˌpəʊs(t)ˈkɒstl/, U.S. /ˌpoʊs(t)ˈkɑst(ə)l/ Now rare.
Situated behind a rib; (Entomology) designating the vein of an insect's wing immediately behind the costal vein.
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the world > life > the body > structural parts > bone or bones > rib > [adjective]
ribbed?1523
costal1615
subcostal1755
postcostal1826
costiferous1845
infracostal1858
xiphocostal1899
the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [adjective] > of wing(s) > of or relating to nervure > relating to or of nature of costa > situated behind or near
postcostal1826
subcostal1826
1826 W. Kirby & W. Spence Introd. Entomol. III. xxxv. 608 The Intermediate Area is that which lies between the postcostal or mediastinal nervure and the anal fold of the wing.
1834 Trans. Entomol. Soc. London 1 209 The second longitudinal nervure is the post-costal.
1895 New Sydenham Soc. Lexicon Postcostal, behind a rib.
1931 Trans. Amer. Entomol. Soc. 57 8 In 1917 Laidlaw broke the Selysian legion into two.., the first distinguished by falcate wings with trapezoidal stigma and a supplementary basal postcostal nerve.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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adj.1826