(A) To place a notice in an obvious and conspicuous location so that it is unquestionably seen by the intended recipient, e.g. nailed to the door of the recipient’s home. (B) To mail, the post date is the date a letter is mailed. (C) To record something, e.g. to post an entry to a ledger. (D) To be recorded, e.g. after transferring money, the money posted in the account instantly. (E) Afterward, after an event, e.g. post-mortem.
Law Dictionary – Alternative Legal Definition
A conveyance for letters or dispatches. The word is derived from “positi,” the horses carrying the letters or dispatches being kept or placed at fixed stations. The word is also applied to the person who conveys the letters to the houses where he takes up and lays down his charge, and to the stages or distances between house and house. Hence the phrases, post-boy, post-horse, post-house, etc. Wharton.