/ Dictionary / Index C cardinality: Meaning and Definition of Find definitions for: car•di•nal•i•ty Pronunciation: (kär"dn-al'i-tē), [key] — pl. -ties. (of a set) the cardinal number indicating the number of elements in the set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cardinality (Thesaurus) cardinal grosbeak cardinal number Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language