Whistle
Definition 1 of 5
Pro Tip 1/3
Attention Signal
Used to grab attention in noisy environments or emergencies. The lifeguard gave three short blasts on the whistle to alert the swimmers.
Pro Tip 2/3
Sporting Events
Commonly used in sports to manage the play or practice sessions. At the sound of the coach's whistle, the players stopped their drill.
Pro Tip 3/3
Not a Toy
Although it can be small, it is not for casual use due to its piercing sound. The security guard reminded the children not to play with the emergency whistle.