The game of pyramid pool.

plural of pyramid

Third-person singular simple present indicative form of pyramid

classification into a rigid hierarchy, as of the sciences / Synonym of pyramidology (“the study of pyramids from a supernatural or new-age perspective”)

simple past tense and past participle of pyramid

In the form of a pyramid.

(card games) A solitaire card game where the cards are arranged as a triangle (a "pyramid") and the object is to get the cards from the bottom to the top.

Third-person singular simple present indicative form of pyramidize

present participle of pyramidize

(transitive) To form into a pyramid