pack·et n.
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.
Packet boat, Packet ship, or Packet vessel. See Packet, n., 2.
Packet day, the day for mailing letters to go by packet; or the sailing day.
Packet note or Packet post. See under Paper.
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