n. & v.
--n.
1. a hereditary name common to all members of a family, as distinct from a Christian or first name.
2 archaic an additional descriptive or allusive name attached to a person, sometimes becoming hereditary.
--v.tr.
1. give a surname to.
2 give (a person a surname).
3 (as surnamed adj.) having as a family name.
Etymology: ME, alt. of surnoun f. AF (as SUR-(1), NOUN name)