(honorific) uncle

naked upper body; bare-chested

upstairs; specifically, the floor above

(Classical Japanese, archaic) to raise, to lift / (Classical Japanese, archaic) to give / (Classical Japanese, archaic) to utter; to cry; to produce; to raise (a voice)

(formal) [I, we] wish you a happy new year (literally meet a good year)

an electrooculogram

an electromyogram

excuse me; may I come in?

(linear algebra) upper triangular matrix

(grammar) Short for 上一段活用 (kami ichidan katsuyō): upper monograde conjugation