てんろう 天狼 LinksSentence search for 天狼Sentence search for てんろうKanji details for 天 and 狼Edit in JMdict Noun1. Sirius (star in the constellation Canis Major); Alpha Canis Majoris; the Dog StarAstronomy, Rare term, See also 天狼星, See also シリウス Discussions Log in to talk about this word.