1. A bag; a wallet. [Obs.] Chaucer.

2. The bag or bags with the letters, papers, papers, or other matter contained therein, conveyed under public authority from one post office to another; the whole system of appliances used by government in the conveyance and delivery of mail matter. There is a mail come in to-day, with letters dated Hague. Tatler.

3. That which comes in the mail; letters, etc., received through the post office.

4. A trunk, box, or bag, in which clothing, etc., may be carried. [Obs.] Sir W. Scott. Mail bag, a bag in which mailed matter is conveyed under public authority. — Mail boat, a boat that carries the mail. — Mail catcher, an iron rod, or other contrivance, attached to a railroad car for catching a mail bag while the train is in motion. — Mail guard, an officer whose duty it is to guard the public mails. [Eng.] — Mail train, a railroad train carrying the mail.

MAIL
Mail, v. t. [imp. & p. p. Mailed; p. pr. & vb. n. Mailing.]

Defn: To deliver into the custody of the postoffice officials, or place in a government letter box, for transmission by mail; to post; as, to mail a letter. [U. S.]

Note: In the United States to mail and to post are both in common use; as, to mail or post a letter. In England post is the commoner usage.

MAILABLE
Mail"a*ble, a.

Defn: Admissible lawfully into the mail. [U.S.]

MAILCLAD
Mail"clad`, a.