Related Clues:

• Baltic --
• 49 Across' venue
• Dolphin home
• One of seven in the world
• Word with horse or bass
• Vast amount
• One of the seven
• Where skates glide
• Swell place
• Breeze source, perhaps
• Kind of lettuce or cucumber
• 44-Across's milieu
• Ross or Bering
• Kind of horse or cow
• Briny expanse