Polite, feminine term placed after the addressee's name in formal correspondence, similar to 'Dear' in English. Used specifically in letter writing; not a general term of address.
See also: 脇付
Dear Hanako,
Dear Mr./Ms. Yamada (in a formal letter)
この手紙の宛名には「田中様御前」と書いてある。
The addressee on this letter reads 'Dear Mr./Ms. Tanaka'.