If you post a letter or package, you send it to someone by putting it in a post box or by taking it to a post office. If I write a letter, would you post it for me? I'm posting you a cheque tonight I posted a letter to Stanley saying I was an old Army friend. Post off means the same as post. He'd left me to pack up the mail and post it off All you do is complete and post off a form
The post is the public service or system by which letters and packages are collected and delivered. You'll receive your book through the post The winner will be notified by post The cheque is in the post
If you post notices, signs, or other pieces of information somewhere, you fix them to a wall or board so that everyone can see them. Officials began posting warning notices She has posted photographs on bulletin boards. Post up means the same as post. He has posted a sign up that says `No Fishing' We post up a set of rules for the house
If you keep someone posted, you keep giving them the latest information about a situation that they are interested in. Keep me posted on your progress
You can use post to refer to letters and packages that are delivered to you. He flipped through the post without opening any of it There has been no post in three weeks
Post is used to refer to an occasion when letters or packages are delivered. For example, first post on a particular day is the first time that things are delivered. Entries must arrive by first post next Wednesday = delivery
If you post information on the Internet, you make the information available to other people on the Internet. A consultation paper has been posted on the Internet inviting input from Net users