noun (plural ~s or frusta) see: bruise Date: 1658 the basal part of a solid cone or pyramid formed by cutting off the top by a plane parallel to the base
FRUSTUM
Meaning of FRUSTUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012