I. Cos ‧ mo /ˈkɒzməʊ $ ˈkɑːz/ BrE AmE
an informal name for the magazine Cosmopolitan
II. Cosmopolitan BrE AmE ( also Cosmo informal ) trademark
a monthly magazine for women, which is produced in separate ↑ edition s in the US, the UK, and many other countries. It is aimed at young modern independent women and deals with subjects such as fashion, work, and sex.