Truncate

v. t. [imp. & p. p. TRUNCATED; p. pr. & vb. n. TRUNCATING.] [Lat. truncare, truncatum, from truncus, maimed, mutilated, cut short, properly like a trunk of a tree deprived of its branches, from truncus, a trunk of a tree; It. troncare, O. It. truncare, Pr. & Pg. truncar, Sp. truncar, troncar, Fr. tronquer.] To cut off; to lop; to maim.

a. [Lat. truncatus, p. p. of truncare. See supra.] (Bot.) Appearing as if cut off at the tip; as, a truncate leaf. Martyn.