A whistle is a small, tube-shaped instrument that makes a high-pitched sound when you blow into it. It is often used to get someone's attention or as a signal in sports or emergencies. Full definition
Keep it on flame and cook again for 3 more whistles on high. (litebite.in)
This easy - to - use device has all the bells of whistles of an expensive model, but is available at an affordable price that won't break the bank. (geekwrapped.com)