'Truncated cone' definitions:

Definition of 'truncated cone'

(from WordNet)
noun
A frustum formed from a cone

Definition of 'Truncated cone'

From: GCIDE
  • Truncated \Trun"ca*ted\, a.
  • 1. Cut off; cut short; maimed. [1913 Webster]
  • 2. (Min.) Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge. [1913 Webster]
  • 3. (Zool.) Lacking the apex; -- said of certain spiral shells in which the apex naturally drops off. [1913 Webster]
  • Truncated cone or Truncated pyramid (Geom.), a cone or pyramid whose vertex is cut off by a plane, the plane being usually parallel to the base. [1913 Webster]