2 entries under this word

Pyramidal

Py-răm'i-dal, a.

adjective

a. [Fr. & Pr. pyramidal, Sp. piramidal, It. piramidale. See supra.] 1. Pyramidical; tapering to a point. The mystic obelisks stand up Triangular, pyramidal, each based On a single trine of brazen tortoises. E. B. Browning.

Relating to the pyramids.
(Crystallog.) Dimetric in system. See CRYSTALLOGRAPHY.

Pȳr'a-mīd'ie-al or pyramidal

Having the form of a pyramid; “The particles of earth being cubical, those of fire pyramidical.” Enfield. “A pyramidical rock.” Goldsmith. “Gold in pyramidic plenty piled.” Shenstone.