Chirr is a 5 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 10 points.
You can make 22 anagrams from letters in chirr (chirr).
First recorded in 1590-1600; alteration of chirp
They have peculiar notes like a clear whistle, and a “chirr, chirr!”
But on leading up his horse within ten or twelve feet of the pin, it gives a little "chirr" and dives down out of sight.
"Not at all," replied the little man, in a voice as dry and crisp as the chirr of a grasshopper.
The cricket's chirr and the occasional affirmations of the katy-did were the only sounds she heard.