in-strĕpo, ŭi, ĭtum, 3, v. n.,
to make a noise anywhere; to sound , resound , rattle , clatter , creak (mostly poet. and post-class.): sub pondere faginus axis Instrepat, * Verg. G. 3, 172: dentibus, to gnash , Claud. Cons. Mall. Theod. 222.—With a Gr. acc., to make resound , to utter : lamentabiles questus, Ap. Met. 2, 27, 17 (but in Liv. 4, 43 fin. , the correct read. is increparet).