1. A small pack or package; a little bundle or parcel; as, a packet of letters.
  2. Originally, a vessel employed by government to convey dispatches or mails; hence, a vessel employed in conveying dispatches, mails, passengers, and goods, and having fixed days of sailing; a mail boat.

v. t.

  1. To make up into a packet or bundle.
  2. To send in a packet or dispatch vessel.

v. i.

  1. To ply with a packet or dispatch boat.