/ Dictionary / Index C curio: Meaning and Definition of Find definitions for: cu•ri•o Pronunciation: (kyoor'ē-ō"), [key] — pl. -ri•os. any unusual article, object of art, etc., valued as a curiosity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: curio (Thesaurus) Curie-Weiss law curiosa Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language