(biblical) A masculine name included within a Biblical genealogy as a descendant of Esau at Genesis 36:11.

Alternative spelling of omertà

(crime) A code of silence amongst members of a criminal organization (especially the Mafia) that forbids divulging insider secrets to law enforcement, often also followed outside of the organization in fear of retaliation; extensively, any code of silence.

The first and last; the beginning and end.

An exclamation denoting surprise.

Having a bad omen; inauspicious; unlucky.

plural of omelette

In order to achieve something, it is inevitable and necessary that some mistakes are made or some sacrifices must occur.

plural of omega

(anatomy) Either of two folds of the peritoneum that support the viscera.