棱柱体 léngzhùtǐ prism, prismoid Origin Definitions Defs Strokes Stroke Words Sentences Sents 棱 léng adjectivenoun edge the edge where two surfaces of a solid object meet; a ridge or corrugation on a surface柱体 柱體 zhùtǐ cylinder or prism a three-dimensional solid shape with two parallel and congruent bases, such as a cylinder or a prism