- the part of a conical solid left after cutting off a top portion with a plane parallel to the base.
- the part of a solid, as a cone or pyramid, between two usually parallel cutting planes.
Origin of frustum
1650–60; < Latin: piece, bit; probably akin to Old Irish brúid (he) breaks, Old English brȳsan to crush
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for frusta
Near the temple are several blocks of stones, some fluted Doric frusta, and a capital of small dimensions.Ruins of Ancient Cities (Vol. II of II)
In a journal called the Frusta letteraria he took to lashing without mercy the works which were then being published in Italy.
- the part of a solid, such as a cone or pyramid, contained between the base and a plane parallel to the base that intersects the solid
- the part of such a solid contained between two parallel planes intersecting the solid
- architect a single drum of a column or a single stone used to construct a pier
C17: from Latin: piece; probably related to Old English brӯsan to crush, bruise
Word Origin and History for frusta
1650s, from Latin frustum "piece broken off," from PIE *bhrus-to-, from root *bhreu- "to cut, break up."
Online Etymology Dictionary, © 2010 Douglas Harper