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...
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...
They just have to wait patiently for the next post.
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...
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.
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.
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.