› [U] ( also mail) mainly UK COMMUNICATIONS letters and packages that are sent to homes or places of work: to check/collect the post to get/receive postdeliver post Did the postman deliver any post for me?the post arrives/comes Has the post come yet?answer/open/read post I've got a lot of post to open. › COMMUNICATIONS the public system for sending letters and packages from place to place: first-/second-class postbe/put sth in the post The cheque is in the post, and you should receive it tomorrow.through the post Given that most people would not wish to send their original passport through the post, they will have to get a certified copy. The letter got lost in the post. Dividends may be sent by post, held for collection, or paid in some other way.arrive/come/be delivered by post Hard copy products, such as a CD or newsletter, should arrive by post within days. → See also registered post › [S or U] UK COMMUNICATIONS the time during the day when letters and packages are collected, or arrive at homes and places of work: the first/last postcatch/meet/miss the post The letter needed to be sent today, but I missed the last post.
by return (of) post › COMMUNICATIONS if you reply to a letter by return of post, you reply by sending a letter back almost immediately: Please send the invoice back by return of post.
› [C] a job in a company or organization, especially an important one that pays well: accept/hold/remain in a post He has held the post of commercial director since 2002.apply for/be appointed to/take up a post She has applied for the vacant manager's post.advertise/fill a post Almost a third of employers said they had not received one application for a post they had advertised. a high-level/key/senior post a full-time/part-time post a permanent/temporary post a government/teaching postresign (from)/leave a post She was forced to resign from her £300,000-a-year post after the scandal. be removed/step down from a post → See Note job › [C] (also posting) IT a message or information that is put on a website, or sent to an internet discussion group for all the members to read: The site is seeing 10,000 posts per hour from its 50,000 members all over the world. a blog post