What is Post?

Post definition and meaning on Dictionary terms:
a strong piece of timber, metal, or the like, set upright as a support, a point of attachment, a place for displaying notices, etc.
Furniture. one of the principal uprights of a piece of furniture, as one supporting a chair back or forming one corner of a chest of drawers.Compare stump(def 11).

Papermaking. a stack of 144 sheets of handmolded paper, interleaved with felt.
Horse Racing. a pole on a racetrack indicating the point where a race begins or ends: the starting post.
the lane of a racetrack farthest from the infield; the outside lane.Compare pole1(def 4).
Digital Technology. an online message that is submitted to a message board or electronic mailing list.text, images, etc., that are placed on a website: a blog post.

a thin metal bar affixed to the back of an earring and designed to pass through a pierced earlobe.

verb (used with object)
to affix (a notice, bulletin, etc.) to a post, wall, or the like.
to bring to public notice by or as by a poster or bill: to post a reward.
to denounce by a public notice or declaration: They were posted as spies.

to publish the name of in a list: to post a student on the dean’s list.
to publish the name of (a ship) as missing or lost.
to placard (a wall, fence, etc.) with notices, bulletins, etc.: The wall was posted with announcements.
to put up signs on (land or other property) forbidding trespassing: The estate has been posted by the owner.
Digital Technology. to submit (an online message) to a message board or electronic mailing place (text, images, etc.) on a website: I just posted some photos of my trip.

verb (used without object)
Digital Technology. to submit an online message to a message board or electronic mailing place text, images, etc., on a website.