a small container usu of paper or cardboard container, usu together with its contents
a packet of biscuits
= parcel1 (1)
in computing, a unit of data sent as part of a message from one user to another through a packet-switching network
(a packet) Brit, informal a large sum of money
It must have cost a packet
dated a passenger boat carrying mail and cargo on a regular schedule
[Anglo-French pacquet, dimin. of pack1; (sense 4) short for packet boat]