Definition that contains signalling
- flag a rectangular piece of fabric used as a signalling device
- whistle the act of signalling (e.g., summoning) by whistling or blowing a whistle
- whistling the act of signalling (e.g., summoning) by whistling or blowing a whistle
- signal flag a rectangular piece of fabric used as a signalling device
- ticktack system of signalling by hand signs used by bookmakers at racetracks