pyramid

Definitions

• An ancient massive construction with a square or rectangular base and four triangular sides meeting in an apex, such as those built as tombs in Egypt or as bases for temples in Mesoamerica.
• A construction in the shape of a pyramid, usually with a square or rectangular base.
• (geometry) A solid with triangular lateral faces and a polygonal (often square or rectangular) base.
• (neuroanatomy) A medullary pyramid, the medial-most bumps on the ventral side of the medulla oblongata
• (UK) The game of pool in which the balls are placed in the form of a triangle at spot.
• A pyramid scheme.
• (card games) . a solitaire card game
• (card games) The triangular layout of cards in the game of Pyramid.
• (journalism) An approximately triangular headline consisting of several centered lines of text of increasing length.