棱锥

Traditional form:

稜錐

Pinyin (reading):

léngzhuī

Definitions:

• pyramid (geometry)

Characters:

• 棱 - squared timber; angle, corner, edge
• 锥 - gimlet, drill, awl; to drill, to bore

Traditional characters:

• 稜 - edge, corner, angle; protrusion; square beam
• 錐 - gimlet, drill, awl; to drill, to bore