murre Syllabification: (murre)Pronunciation: /mər/Definition of murre noun a white-breasted North American auk (seabird). Genus Uria, family Alcidae: two species, the thick-billed (or Brunnich’s) murre (U. lomvia) and the thin-billed (or common) murre (U. aalge) Origin: late 16th century: of unknown originmurre in other Oxford dictionaries Definition of murre in the British & World English dictionary