POST n.
-- To ride post, to ride, as a carrier of dispatches, from place to place; hence, to ride rapidly, with as little delay as possible. -- To travel post, to travel, as a post does, by relays of horses, or by keeping one carriage to which fresh horses are attached at each stopping place.
REFRIGERATOR n.
An apparatus for rapidly cooling heated liquids or vapors, connected with a still, etc. Refrigerator car (Railroad), a freight car constructed as a refrigerator, for the transportation of fresh meats, fish, etc., in a temperature kept cool by ice.