Related Clues:

• Beanball target
• Word with master or waiter
• Lucille Ball, notably
• Brain
• Chairperson, e.g.
• It has plenty of brains
• Administrator
• Beer foam
• Lettuce unit
• Nail part
• See 48 Across
• Bowler's place
• Beer feature
• Broccoli unit
• Person in charge