BLOOMSDAY Meaning of BLOOMSDAY in English Blooms ‧ day /ˈbluːmzdeɪ/ BrE AmE June 16th, celebrated in Dublin as the day in the life of Leopold Bloom which is described in James ↑ Joyce 's novel Ulysses Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012