1) Cicada call 2) Cicada sound 3) Cicada trill 4) Emit 5) Grasshopper sound 6) Grasshopper trill 7) Let loose 8) Let out 9) Sound made by a grasshopper 10) Sound made by cicadas 11) Sound made by grasshoppers 12) Sound of bird or insect 13) Trill like a bird 14) Utter 
[v] - make a vibrant noise, of grasshoppers or cicadas
verb make a vibrant noise, of grasshoppers or cicadas
to make a characteristic shrill, trilling sound, as a grasshopper.