VUG Meaning of VUG in English — vuggy , adj./vug, voog/ , n. Geol.a small cavity in a rock or vein, often lined with crystals. Also, vugg, vugh . [ 1810-20; vooga cave; cf. L fovea pit ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012