[ad. L. truncāt-us, pa. pple. of truncāre: see TRUNCATE v.]
† 1. Cut short, mutilated. Obs. (exc. as in 2).
1579–83. [implied in TRUNCATELY].
2. In scientific and technical use: = TRUNCATED 2.
1716. E. Halley, in Phil. Trans., XXIX. 408. Like truncate Cones or Cylinders.
1785. Martyn, Rousseau’s Bot., xxi. 305. The Tulip Tree … is remarkable for the shape of its leaves, having the middle lobe of the three truncate, or cut transversely at the end.
1826. Kirby & Sp., Entomol., IV. xlvi. 333. Elytra … Truncate…. When they are shorter than the abdomen and transverse at the end.
1839. Darwin, Voy. Nat., i. (1879), 2. Successive steps of tableland, interspersed with some truncate conical hills [i.e., kopjes].
1872. Coues, N. Amer. Birds, 38. A rectrix broad to the very tip, and there cut squarely off, is truncate.
b. In combination with another adj. of form, as truncate-turbinate; = TRUNCATO-.
1887. W. Phillips, Brit. Discomycetes, 354. Cups substipitate, truncate-turbinate.
