tagboard

noun

1. (Internet, countable, dated, rare)A small message board on a webpage, usually located in the sidebar, where visitors can leave a name and short message.

   “The purpose of cam girl blogs vary wildly. They may contain anything from one-line entries about how the girl is feeling that day[…] or when she will be online to chat (often conducted via a tagboard—an instant message board—on her site), […]”

2. (countable, uncountable)Synonym of oaktag.

   “Lay one piece of tagboard, 14" x 4", on the wrong side of the cretonne, 2 1/4" x 5", with a one-half-inch border of cretonne on all four sides. Draw a pencil line on the cretonne around the tagboard, then remove the[…]”

   “Cut two equal pieces of tagboard the size of a greeting card.”