/ Dictionary / Index C cubical: Meaning and Definition of Find definitions for: cu•bi•cal Pronunciation: (ky'bi-kul), [key] — adj. having the form of a cube. of or pertaining to volume. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cubical (Thesaurus) cubic cubicle Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language