any huge structure with a square base and four sloping, triangular sides meeting at the top, as those built by the ancient Egyptians for royal tombs
an object, formation, structure, or organization shaped like or suggesting a pyramid
a crystal form in which as many as 12 sloping faces intersect at a point
Geom. a solid figure having a polygonal base, the sides of which form the bases of triangular surfaces meeting at a common vertex
intransitive verb, transitive verb
to build up, mass, or heap in the form of a pyramid
☆ to engage in (a series of buying or selling operations) during an upward or downward trend in the stock market, working on margin with the profits made in the transactions
a. A solid figure with a polygonal base and triangular faces that meet at a common point.
b. Something shaped like this polyhedron.
a. A massive monument of ancient Egypt having a rectangular base and four triangular faces culminating in a single apex, built over or around a crypt or tomb.
b. Any of various similar constructions, especially a four-sided Mesoamerican temple having stepped sides and a flat top surmounted by chambers.
The transactions involved in pyramiding stock.
Anatomy A structure or part suggestive of a pyramid in shape.