Bible Dictionaries
Pyramidal

Webster's Dictionary

(1):

(a.) Of or pertaining to a pyramid; in the form of a a pyramid; pyramidical; as, pyramidal cleavage.

(2):

(a.) Same as Tetragonal.

(3):

(n.) One of the carpal bones. See Cuneiform, n., 2 (b).

Bibliography Information
Webster, Noah. Entry for 'Pyramidal'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pyramidal.html. 1828.