stridulation

Noun

a shrill grating or chirping noise made by some insects by rubbing body parts together
A high-pitched chirping, grating, hissing, or squeaking sound, as male crickets and grasshoppers make by rubbing certain body parts together.

Origin / Etymology

1838, from earlier term stridulous; from Latin strīdulus (“giving a shrill sound, creaking”), from strīdō (“utter a shrill or harsh sound; creak, shriek, grate, hiss”).

Scrabble Score: 13

stridulation: valid Scrabble (US) TWL word
stridulation: valid Scrabble Word in Merriam-Webster MW Dictionary
stridulation: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 16

stridulation is a valid Words With Friends word