Pýramid. n.s. [pyramide, Fr. πύραμις, from πῦρ, fire; because fire always ascends in the figure of a cone.] In geometry, is a solid figure, whose base is a polygon, and whose sides are plain triangles, their several points meeting in one. Harris.
Know, Sir, that I will not wait pinion'd at your master's court; rather make my country's high pyramids my gibbet, and hang me up in chains. Shakesp. Ant. and Cleopatra.
An hollow crystal pyramid he takes,
In firmamental waters dipt above,
Of it a broad extinguisher he makes,
And hoods the flames. Dryden.
Part of the ore is shot into quadrilateral pyramids. Woodw.