Possible Clues:

• Broad, usually rounded, segmented division
• Commonly pierced area
• Oak-leaf feature
• Globetrotter spilling gin-and-tonic -- bounder! -- where studs hang out
• Throw earth round part of ear
• Ring setting
• Earpiece cast east
• Lower part of the ear
• One of the only parts of your body it's totally cool to poke a metal pin through
• Dangling ear part