VACUA (Οὐακούα, Strab. iii. p.153; Οὔακος, Ptol. 2.5.4), a river in Lusitania, which entered the Atlantic ocean between the Durius and Munda, in the neighbourhood of Talabrica. Pliny (4.21. s. 35) calls it Vacca.
The present Vouga. [T.H.D]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.