churr

[chur] /tʃɜr/
verb (used without object), noun
1.
British Dictionary definitions for churr

chirr

/tʃɜː/
verb
1.
(intransitive) (esp of certain insects, such as crickets) to make a shrill trilled sound
noun
2.
the sound of chirring
Word Origin
C17: of imitative origin

churr

/tʃɜː/
verb, noun
1.
a variant spelling of chirr