Related Clues:

• Tree decoration
• Blackball
• See 6-Across
• Symbol on a Cowboy's helmet
• Polaris, e.g.
• Ratings unit
• Kind of witness
• General acquisition
• See 39-Across
• See 48-Across
• Award for a good student
• Common flag feature
• Axle, e.g.
• Measure
• High-jump need