Frustum

Webster's Condensed Dictionary- A Condensed Dictionary of the English Language · 1909 · p. 240

frus'tum, n. pi. -TA,-ta, or -tums. (Gewn.) The part of a solid next the base, formed by cutting off the top. [L., a bit, piece, Gr. thraustos, Droken, thrauein, to break.] — Fru3t 'ulent, a. fiiPiilpp Abounding in fragments.