We don't have synonyms for churrs yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are churr, churro and churls.
(n) :
Alternative spelling of chirr (“insect sound”). [The trilled sound made by an insect.]
(v) :
Alternative spelling of chirr (“to make an insect sound”). [(intransitive) To make the prolonged trilling sound of an insect (e.g. a grasshopper, a cicada).]
(n) :
Alternative spelling of chirr (“insect sound”). [The trilled sound made by an insect.]
(v) :
Alternative spelling of chirr (“to make an insect sound”). [(intransitive) To make the prolonged trilling sound of an insect (e.g. a grasshopper, a cicada).]