noun
- Guil·laume [gee-yohm] /giˈyoʊm/, Wilhelm Apollinaris de Kostrowitzky, 1880–1918, French poet and art critic, born in Italy.
noun
- Guillaume (ɡijom), real name Wilhelm Apollinaris de Kostrowitzki. 1880–1918, French poet, novelist, and dramatist, regarded as a precursor of surrealism; author of Alcoöls (1913) and Calligrammes (1918)