- 三棱锥 sānléngzhuī triangular pyramida pyramid with a triangular base and three triangular lateral faces; a tetrahedron
- 棱锥体 léngzhuītǐ pyramida polyhedron formed by connecting a polygonal base and a point called the apex
- 棱锥台 léngzhuītái frustum of a pyramida geometric solid representing the portion of a pyramid that remains after its top is cut off by a plane parallel to its base
