pervacuus Save DMLBS Gaffiot 2016 pervacuus [LL] , completely empty, devoid of meaning or substance (in quot., as sb. n. pl.). omissa replendo substituere, supersticiosa vel ~a delendo descidere R. Cold. Cuthb. 2 p. 7. pervăcŭus, a, um, très vide : Boet. Arist. cat. 2, p. 161.