a huge masonry construction that has a square base and, as in the case of the ancient Egyptian royal tombs, four sloping triangular sides

an object, formation, or structure resembling such a construction

a solid having a polygonal base and triangular sides that meet in a common vertex

a crystal form in which three planes intersect all three axes of the crystal

any pointed or cone-shaped bodily structure or part

a group of enterprises containing a series of holding companies structured so that the top holding company controls the entire group with a relatively small proportion of the total capital invested

the series of transactions involved in pyramiding securities

a game similar to billiards with fifteen coloured balls

to build up or be arranged in the form of a pyramid

to speculate in (securities or property) by increasing purchases on additional margin or collateral derived from paper profits associated with high prices of securities and property in a boom

to form (companies) into a pyramid