/ Dictionary / Index C Chalcis: Meaning and Definition of Find definitions for: Chal•cis Pronunciation: (kal'sis Gr. khäl&wdspckēs'), [key] — n. a city on Euboea, in SE Greece. 36,300. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chalcis (Thesaurus) chalcidicum chalco- Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language