Answer: churr

AnswerCrossword Clue
CHURRGrasshopper's trill
CHURRGrasshopper's sound
CHURRWhirring noise, as made by a partridge.
CHURRWhirring sound made by a beetle.
CHURRInsect sound
CHURRNoise made by a grasshopper
churrto make a characteristic shrill, trilling sound, as a grasshopper
churrthe sound of chirring
churrto make a vibrant sound