society > travel > transport > transport or conveyance in a vehicle > transport by relays of horses or vehicles > [verb (intransitive)] > travel by post-horses (3)
intransitive. To travel with relays of horses, originally as a courier or bearer of letters. Now historical.
to take (the) post: to start on a journey with post-horses; to travel as quickly as possible using relays of horses. Obsolete.
intransitive. To travel by post-chaise, to travel about in a post-chaise. Also transitive with it.