Related Clues:

• Lib. section
• Field zebra
• Rile (up)
• Turkish bath feature
• N.B.A. official
• You might lose it when you're tired
• Official with a whistle
• Kettle output
• Caller of 39-Across
• Court judge
• He rules over balls
• Whistling zebra?
• It gets let off
• Boiling indication
• One who might call holding