In 5 coartate. [ad. L. coarctāt-us (coart-), pa. pple. of coarctāre to COARCT.] Pressed close together, compressed, contracted, confined. In Bot. applied to a compact or dense panicle.
1432–50. trans. Higden (Rolls), I. 61. The patente magnitude felethe by more efficacite the strenȝhte of þe moone then a see coartate.
1847. Craig, Coarctate, in Botany, pressed together.
1866. Treas. Bot., Coarctate, contracted, drawn close together.
1882. Syd. Soc. Lex., s.v., The retina is said to be coarctate when, owing to the accumulation of fluid between it and the choroid, it assumes the form of a funnel, extending from the entrance of the optic nerve to the margin, or to the remains of the lens.
b. Entom. Applied to a pupa enclosed in a smooth horny case, which gives no indication of the limbs or form of the insect; the transformation is called coarctate metamorphosis.
1816. Kirby & Sp., Entomol. (1843), I. 53. Pupæ which are not excluded from the skin of the larva, but remain concealed under it, and were hence called by Linné coarctate pupæ.
1865. J. G. Wood, Homes without H., xxvi. 512. Said to undergo a ‘coarctate’ metamorphosis.
1870. Rolleston, Anim. Life, 76. The ‘coarctate’ pupa of many Diptera.
