fob 1 |fäb|
noun (also fob chain)
a chain attached to a watch for carrying in a waistcoat or waistband pocket.
• a small ornament attached to a watch chain.
• (also fob pocket) a small pocket for carrying a watch.
• a tab on a key ring.
ORIGIN mid 17th cent. (denoting a fob pocket in a waistband): origin uncertain; probably related to German dialect Fuppe ‘pocket.’