PYRAMIDS
Proper noun
the Pyramids
A set of ancient pyramidal-shaped constructions in Egypt
Noun
pyramids
plural of pyramid
Noun
pyramids (uncountable)
The game of pyramid pool.
Verb
pyramids
Third-person singular simple present indicative form of pyramid
Source: Wiktionary
PYRAMID
Pyr"a*mid, n. Etym: [L. pyramis, -idis, fr. Gr. pyramide.]
1. 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. (Geom.)
Definition: A solid figure contained by a plane rectilineal figure as base
and several triangles which have a common vertex and whose bases are
sides of the base.
3. pl. (Billiards)
Definition: The game of pool in which the balls are placed in the form of a
triangle at spot. [Eng.] Altitude of a pyramid (Geom.), the
perpendicular distance from the vertex to the plane of the base.
– Axis of a pyramid (Geom.), a straight line drawn from the vertex
to the center of the base.
– Earth pyramid. (Geol.) See Earth pillars, under Earth.
– Right pyramid (Geom.) a pyramid whose axis is perpendicular to
the base.
PYRAMID
Pyr"a*mid, n. Etym: [L. pyramis, -idis, fr. Gr. pyramide.]
1. 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. (Geom.)
Definition: A solid figure contained by a plane rectilineal figure as base
and several triangles which have a common vertex and whose bases are
sides of the base.
3. pl. (Billiards)
Definition: The game of pool in which the balls are placed in the form of a
triangle at spot. [Eng.] Altitude of a pyramid (Geom.), the
perpendicular distance from the vertex to the plane of the base.
– Axis of a pyramid (Geom.), a straight line drawn from the vertex
to the center of the base.
– Earth pyramid. (Geol.) See Earth pillars, under Earth.
– Right pyramid (Geom.) a pyramid whose axis is perpendicular to
the base.
Source: Webster’s Unabridged Dictionary 1913 Edition