/ Dictionary / Index P pyramidical: Meaning and Definition of Find definitions for: pyr•a•mid•i•cal Pronunciation: (pir"u-mid'i-kul), [key] — adj. pyramidal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pyramidical (Thesaurus) pyramid bet pyramidion Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language