คำว่า ' pyramid ' ( N )
มีความหมายในภาษาไทยว่า การต่อตัว
คำนิยามในภาษาอังกฤษ (definition) :
[n.] A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape.
[n.] A solid figure contained by a plane rectilineal figure as base and several triangles which have a common vertex and whose bases are sides of the base.
[n.] The game of pool in which the balls are placed in the form of a triangle at spot.