Definitions

1. noun

A portion of a solid, especially one that is removed from the rest of the solid, leaving a smaller version of it.

“The artist created a sculpture using a frustum of a cone, which gave it a unique shape and appearance.”

2. noun

A truncated cone or pyramid.

“The frustum of the pyramid was used as the base for the new building.”

3. verb

To remove a portion from something, especially a solid, leaving a smaller version of it.

“The sculptor frustummed the block of marble to create a new statue.”