[ fruhs-tuh m ]
/ ˈfrʌs təm /
noun, plural frus·tums, frus·ta [fruhs-tuh] /ˈfrʌs tə/. Geometry.
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.
Words nearby frustum
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. 2019
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)|Charles Bucke
In a journal called the Frusta letteraria he took to lashing without mercy the works which were then being published in Italy.
British Dictionary definitions for frusta
/ (ˈfrʌstəm) /
noun plural -tums or -ta (-tə)
- 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
Word Origin for frustum
C17: from Latin: piece; probably related to Old English brӯsan to crush, bruise
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012