Related Clues:

• Word with 23-Across
• Hustler's genre
• Wax unit
• See 10 Down
• Snow missile
• Deb's event
• Studio 54, for one
• Target for 39-Across
• Summer genre
• ''Saturday Night Fever'' music
• It may be masked
• Spot for a hustler
• Travolta helped popularize it
• Gala affair
• '70s dance music