V / vī^brātĭo
noun

vī^brātĭo

gen. vī^brātōnis · gender feminine · decl. 3rd
a brandishing; vibration
a brandishing, vibration: hastae, Fest. s. v. gradivus, p. 97: continuata tonitruum, Calp. ap. Vop. Carin. 8.