Breadcrumb Home > Dictionary > Index C cypher: Meaning and Definition of Find definitions for: cy•pher Pronunciation: (sī'fur), [key] — n., v.i., v.t. Chiefly Brit. cipher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cypher (Thesaurus) cyperaceous cy pres TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language