宇 う Meanings Counter counter for buildings, roofs, tents, etc. Kanji 宇 cosmos. Read as ウ. Words containing 宇 宇宙 (うちゅう) universe 宇宙飛行士 (うちゅうひこうし) astronaut 宇宙船 (うちゅうせん) spaceship And 165 more. Word lists Counters Jinuma: Japanese Dictionary · Word lists