Cirrus \ci(r)-rus\ as a boy's name is of Latin origin, and the meaning of Cirrus is "lock of hair". The name of a wispy, filmy cloud formation.

Baby names that sound like Cirrus are Cyrus and Sirius. Other similar baby names are Arius, Arris, Borris, Chris, Cris, Chriss, Ciro, Cruz, Cirilo, Ciril, Darius, Derrius, Darrius, Farris, Ferris, Harris, Jairus, Jarius, Marius, Morris, Maurus, Nereus, Norris, Parris, Piers, Straus, Taurus, Terrius, Terris and Tyrus.