The Collaborative International Dictionary of English v.0.48:
Earring \Ear"ring`\, n. An ornament consisting of a ring passed through the lobe of the ear, with or without a pendant. [1913 Webster]WordNet (r) 3.0 (2006):
earring n 1: jewelry to ornament the ear; usually clipped to the earlobe or fastened through a hole in the lobe