lozenge n. + Add to list US //ˈɫɔzəndʒ// UK //lˈəʊzəndʒ// lozenge SynonymsEtymology Synonyms pilltabtabletOriginOFRlosenge→MElosenge→ENlozenge From Middle English losenge, from Old French losenge (“rhombus”), of uncertain origin. See the Old French for more.