Related Clues:

• Center of gravity?
• Sign of a champ
• Formation of flying geese
• One of a vivacious pair
• Churchill sign
• Neck shape
• Hum follower
• Geese formation shape
• Churchillian high sign
• Migration formation?
• Sign from Churchill
• Flashed sign
• Familiar flight pattern
• Geese-in-flight formation
• Sign flashed by Churchill