Possible Clues:

• Dulcimer's silhouette*
• EARL, geometrically
• British name for a quadrilateral with no parallel sides
• Hiding bottom in swingers' bar, Arachne cuts odd, discontented figure
• One cutting sleep a bit, rising in shape
• Type of quadrilateral
• Figure transported to a prize day
• The second distal carpal bone in the human wrist
• Geometric shape
• Quadrilateral – wrist bone