ˈpɪrəmɪd n. 1 a
monumental structure, usu. of
stone,
with a
square base
and sloping sides
meeting centrally at an
apex,
esp. an ancient
Egyptian royal tomb. 2 a
solid of
this type with a base of
three or
more sides. 3 a pyramid-shaped
thing or pile of things. 4 (in pl.) a game played on a billiard-table with (usu. 15)
coloured balls and a cue-ball. øpyramid selling a
system of selling goods in
which agency rights are
sold to an increasing
number of distributors at successively lower levels. øøpyramidal adj. pyramidally adv. pyramidic adj. (also pyramidical). pyramidically adv. pyramidwise adj. [ME f. L pyramis f. Gk puramis -idos]