Related Clues:

• Acknowledge one's fans
• On top it can have a whitecap
• See 47-Down
• Clutch
• Another rough seas feature
• Hello from a distance
• Warm greeting
• Greeting
• Affectionate greeting
• Bid farewell, in a way
• Undulation
• Stadium motion
• Bleacherites' choreography
• What a surfer rides
• Breaker