Definition of pyramid :
1. The series of operations involved in pyramiding. See Pyramid, v. i.
2. To enlarge one's holding or interest in a series of operations on a continued rise or decline by using the profits to buy or sell additional amounts on a margin, as where one buys on a 10% margin 100 shares of stock quoted at 100, holds it till it rises to 105, and then uses the paper profit to buy 50 shares more, etc. The series of operations constitutes a pyramid.
3. To use, or to deal in, in a pyramiding transaction. See Pyramid, v. i.
cone (part of speech: noun)
- At No. 24 is a stable with pillars and arches that would hold up a pyramid. - "A Wanderer in Florence", E. V. Lucas.
- The procession then moved to the top of an ancient pyramid, in which tombs have been opened, and bones and gold ornaments found. - "In Indian Mexico (1908)", Frederick Starr.
- But on which side of the creek were you, when you saw the pyramid? - "The Boy With the U. S. Survey", Francis Rolt-Wheeler.