an Emperor or Empress (regnant) of Japan / (usually in Chinese contexts) an emperor, ruler, or other monarch with a heavenly mandate

used for "spaces" in transcriptions, or as other separators

astronomer

(astronomy) radio astronomy

exhibition

(linguistics) a specific historical consonantal shift of the Japanese language during the Heian Period, wherein many word-medial /f/ sounds changed to /w/ sounds

pedestrian-only street, pedestrian mall

(literally) above heaven and under heaven / (figuratively) the whole world or universe

astronomical (relating to astronomy) / astronomical (vast)

rue, lament, be sad / sigh