Meaning

noun the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

noun a state in the western United States; settled in 1847 by Mormons led by Brigham Young

noun the syllable naming the first (tonic) note of any major scale in solmization

originFrom Middle English ut (“first degree or note of Guido of Arezzo's hexachordal scales”), Italian ut in the solmization of Guido of Arezzo, from the opening word Latin ut (“how”) in the lyrics of the scale-ascending hymn Ut queant laxis by Benedictine monk Paulus Deacon (8th c. CE).

Etymology from Wiktionary, CC BY-SA 3.0