English definition of “post”
SYSTEM [no plural] UK (US mail) › the system for sending letters, parcels, etc: Your letter is in the post. I'm sending the documents by post.
LETTERS [U] UK (US mail) › letters, parcels, etc that you send or receive: Has the post arrived/come yet? Did I get any post today?
JOB [C] formal › a job: a part-time post a teaching post
POLE [C] › a long, vertical piece of wood or metal fixed into the ground at one end: I found the dog tied to a post.
PLACE [C] › a place where someone stands to guard something