Definitions for "Omega back"
Keywords:  clutch, hinged, lever, closure, ear
an earring finding that is used for both clip-on and pierced earrings
A hinged fastening clasp that closely resembles the Greek letter, Omega. Used to secure earring posts to the ear.
An omega back is a hinged closure resembling the Latin letter, Omega, and is used to secure a post earring to the ear.