See also: musu, músú, mùsù, mušu, mūsų, and Muş'u Japanese Romanization mūsu Rōmaji transcription of ムース Latvian Pronunciation IPA(key): [ˈmuːsu] Pronoun mūsu our, ours, of us; genitive plural of mēs Noun mūsu f (dialectal) accusative singular of mūsa (dialectal) instrumental singular of mūsa (dialectal) genitive plural of mūsaWikiwand - on Seamless Wikipedia browsing. On steroids.