pyramid

From Wiktionary

Pronunciation[change]

Noun[change]

Singular
pyramid

Plural
pyramids

All Gizah Pyramids
Two pyramids
  1. (countable) A pyramid is an ancient kind of religious monument shaped with four triangles meeting at the top and being supported by a square or rectangle as its floor.
    We went to the pyramids of Giza in Egypt.
  2. (countable) (geometry) A pyramid is a 3D shape with a polygon base connected to a point.