noun
Geometric term for a three-dimensional shape with a circular base tapering to a point.
円錐の体積を計算する公式を覚えていますか。
Do you remember the formula for calculating the volume of a cone?
このオブジェは円錐の形をしている。
This object is shaped like a cone.
From 円 (circle) + 錐 (awl, drill), referring to a shape that tapers like a drill bit from a circular base.