Entry 3 senses · 2 variants Webster, 1913 Ultramontane · Ul·tra·mon·tane · IPA a. n. 01 a. Being beyond the mountains; specifically, being beyond the Alps, in respect to the one who speaks. 1. Being beyond the mountains; specifically, being beyond the Alps, in respect to the one who speaks. 02 n. One who resides beyond the mountains, especially beyond the Alps; a foreigner. 1. One who resides beyond the mountains, especially beyond the Alps; a foreigner. 2. One who maintains extreme views favoring the pope's supremacy. See Ultramontanism. See: Ultramontanism