Related Clues:

• Computer key
• See 17-Across
• Part of what a biathlete does
• 'Fourth base'
• See 53-Across
• ___ Office
• Digs
• PC key
• Winter sport
• House
• Tackle moguls
• Word with bum or bunny
• Schuss, e.g.
• Do slaloms
• Take to the hills?