frustum

play
noun frus·tum \ˈfrə-stəm\

Definition of frustum

plural

frustums

or

frusta

play \ˈfrə-stə\
  1. :  the basal part of a solid cone or pyramid formed by cutting off the top by a plane parallel to the base; also :  the part of a solid intersected between two usually parallel planes

Origin and Etymology of frustum

New Latin, from Latin, piece, bit — more at bruise


First Known Use: 1658

Learn More about frustum


Seen and Heard

What made you want to look up frustum? Please tell us where you read or heard it (including the quote, if possible).