frusta

Variant of frustum

frustum definition

frus·tum (frus′təm)

noun pl. frustums -·tums or frusta -·ta (-tə)

  1. a solid figure consisting of the bottom part of a cone or pyramid, the top of which has been cut off by a plane parallel to the base
  2. the part of a solid figure contained between two parallel planes

Etymology: L, a piece, bit < IE *bhreus-, to break, crush < base *bher-, to split, cut > bore

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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