To send.n. Formerly, and sometimes still archaically, a postscript to a composition, particularly a ballade or other sentimental poem, to enforce or recommend it.n. Figuratively, termination; end.n. One despatched upon an errand or a mission; a messenger; specifically, a person deputed by a ruler or government to negotiate a treaty, or transact other business, with a foreign ruler or government.n. Synonyms See ambassador, 1.