Noun	1.	posting - a sign posted in a public place as an advertisement; "a poster advertised the coming attractions" placard, poster, notice, bill, card sign - a public display of a message; "he posted signs in all the shop windows" show bill, show card, theatrical poster - a poster advertising a show or play flash card, flashcard - a card with words or numbers or pictures that is flashed to a class by the teacher
	2.	posting - (bookkeeping) a listing on the company's records; "the posting was made in the cash account" bookkeeping, clerking - the activity of recording business transactions list, listing - a database containing an ordered array of items (names or topics)
	3.	posting - the transmission of a letter; "the postmark indicates the time of mailing" mailing transmission, transmittal, transmitting - the act of sending a message; causing a message to be transmitted