Definition of Pyramid

1. Noun. A polyhedron having a polygonal base and triangular sides with a common vertex.

Generic synonyms: Polyhedron
Derivative terms: Pyramidal, Pyramidical

2. Verb. Enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts.
Category relationships: Investing, Investment
Generic synonyms: Benefit, Gain, Profit

3. Noun. (stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases.
Category relationships: Securities Market, Stock Exchange, Stock Market
Generic synonyms: Speculation, Venture

4. Verb. Use or deal in (as of stock or commercial transaction) in a pyramid deal.
Category relationships: Crime, Criminal Offence, Criminal Offense, Law-breaking, Offence, Offense
Generic synonyms: Deal, Sell, Trade

5. Noun. A massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt.

6. Verb. Arrange or build up as if on the base of a pyramid.
Generic synonyms: Arrange, Set Up

7. Verb. Increase rapidly and progressively step by step on a broad base.
Generic synonyms: Increase

Definition of Pyramid

1. n. A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape.

2. v. i. 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. v. t. To use, or to deal in, in a pyramiding transaction. See Pyramid, v. i.

4. n. The series of operations involved in pyramiding. See Pyramid, v. i.

Definition of Pyramid

1. Noun. 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. ¹

2. Noun. A construction in the shape of a pyramid, usually with a square or rectangular base. ¹

3. Noun. (geometry) A solid with triangular lateral faces and a polygonal (often square or rectangular) base. ¹

4. Noun. A pyramid scheme. ¹

¹ Source:

Definition of Pyramid

1. to raise or increase by adding amounts gradually [v -ED, -ING, -S]

Pyramid Pictures

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Lexicographical Neighbors of Pyramid

pyralid moth
pyramid (current term)
pyramid bugle
pyramid plant
pyramid scheme
pyramid schemes
pyramidal bone
pyramidal motor system
pyramidal neuron
pyramidal neurons
pyramidal number
pyramidal numbers
pyramidal tent
pyramidal tract

Literary usage of Pyramid

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Thirteen Books of Euclid's Elements by Euclid, Johan Ludvig Heiberg (1908)
"5] But, as the base ADE is to the base ABCDE, so was the pyramid ADEM to the pyramid ... (pyramid MADE), Euclid employs v. 18 (componendo) twice over, ..."

2. A General Collection of the Best and Most Interesting Voyages and Travels in by John Pinkerton (1814)
"In dating my doubt, I muft not conceal that the opening in the pyramid is by common ... May we not conjecture that the pyramid was opened before Mamoun ..."

3. Cyclopaedia of Biblical, Theological, and Ecclesiastical Literature by John McClintock (1879)
"The inches square, were made, ascending to the north and lower sepulchral chamber, which held south sides of the pyramid. They perfectly ventilate a ..."

4. Blackwood's Edinburgh Magazine (1819)
"Like the large pyramid, it was found to contain a dark chamber and a stone ... This discovery has completely established the theory of the pyramid, ..."

5. The Gentleman's Magazine (1891)
"... pyramid. THE Nile traveller, if he has a heart, will probably at the end of ... pyramid, with its three stages of shining masonry lifting themselves to ..."

6. The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago by Robert Simson, Euclid (1838)
"to the triangle EBD ; therefore the pyramid of which the base is the triangle ABD, and vertex the point C, is equal (5. 12.) to the pyramid of which the ..."

7. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences and General (1890)
"Next to, and parallel with the anterior fissure is the anterior pyramid (PL ... This pyramid is continuous below with the cord, arid the place of continuity ..."

8. A Text-book of Mineralogy: With an Extended Treatise on Crystallography and by Edward Salisbury Dana (1898)
"The diagonal pyramid, or pyramid of the second order (Fig. 200), is a double six-sided pyramid including the twelve similar faces which have the same ..."

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