to howl, to utter a loud and mournful sound as dogs and wolves often do
From Old Galician-Portuguese [Term?] (compare Galician ouvear), from Latin ululāre, from a reduplicated Proto-Indo-European imitative root. Doublet of ulular, a borrowing.
Practica hablar y memorizar " uivar " y muchas otras palabras y oraciones en portugués .