/ Dictionary / Index O omertà*: Meaning and Definition of Find definitions for: o•mer•tà Pronunciation: (ô"mer-tä' Eng. ō-mer't&schwa), [key] — n. Italian. secrecy sworn to by oath; code of silence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. omer Omi Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language