Moss \m(o)-ss\ as a boy's name is of English origin, and the meaning of Moss is "saviour". Variant of Moses or possibly a place name for a mossy locale. Director and playwright Moss Hart.
For more information, see also related names Maurice and Morris.
Baby names that sound like Moss are Mose, Mays, Mosie and Moise. Other similar baby names are Joss and Ross.