stridulous
Emitting a particularly harsh or shrill sound.
the Sarmatian boor driving his stridulous cart
Relating to stridor.
Where it comes from
From Latin stridulus (“creaking, giving a shrill sound”), from stridere (“to utter an inarticulate sound, creak, grate”).
Adapted from the Wiktionary entry stridulous (CC BY-SA 4.0).