Pyramid

pir′a-mid, n. a solid figure on a triangular, square, or polygonal base, with triangular sides meeting in a point: ( pl. ) 'the Pyramids,' or great monuments of Egypt: a game played on a billiard-table in which the balls are arranged in pyramid shape.— adjs. Pyram′idal , Pyramid′ic , -al , having the form of a pyramid.— advs. Pyram′idally , Pyramid′ically .— ns. Pyramid′icalne ; Pyramid′ion , the small pyramidal apex of an obelisk; Pyram′idist , one versed in the history of the Pyramids; Pyr′amis ( Shak. ), a pyramid:— pl. Pyram′ides .— adjs. Pyr′amoid , Pyram′idoid . [L.,—Gr. pyramis , pyramidos ; prob. Egypt. pir-em-us . Some connection with Gr. pyr , fire.]