I saw his mouth open and shut, he hollowed his hands round it, but the churr of the motor and the bees drowned his words.
The only note I have heard it utter is a kind of churr, like the call of the scarlet tanager.
The death of that poor fellow, churr, clings to him, say what one may.
From twilight till grey does the fern-owl "churr" and fly through the night.
c.1600, echoic of a grasshopper's trill. Related: Chirred; chirring.