锥台

Traditional form:

錐台

Pinyin (reading):

zhuītái

Definitions:

• (math.) frustum

Characters:

• 锥 - gimlet, drill, awl; to drill, to bore
• 台 - platform; unit; term of address

Traditional characters:

• 錐 - gimlet, drill, awl; to drill, to bore
• 台 - platform; unit; term of address