1. signals made by waving flags or lights back and forth

1. to move back and forth or from side to side in a waving motion
2. to signal by waving flags or lights back and forth
Usage: often used in military or maritime contexts

Examples

• The crossing guard wigwags her flag to stop traffic.
• The ship wigwags its signal lamp to communicate with the shore.
• The dog’s tail wigwags excitedly when its owner comes home.
• The sailor sent wigwags to the nearby vessel.
• She wigwags her hand to get our attention across the crowded room.
• The flagman wigwags the red banner to warn of danger ahead.