From Longman Dictionary of Contemporary Englishbulletin boardˈbulletin ˌboard noun [countable] 1 American EnglishDS a board on the wall that you put information or pictures on SYN noticeboard British English2 TDa place in a computer information system where you can read or leave messages
Examples from the Corpus
bulletin board• The whole wall is like a bulletin board, made of some new, crumbly building-material.• To call a local computer bulletin board, you would use: A.. The Terminal program in Windows.• I hung it up on my bulletin board.• Officials from Aiken studied those systems and spent two years planning, realizing that they wanted more than a text-type bulletin board.From Longman Business Dictionarybulletin boardˈbulletin ˌboard noun [countable]1especially American English a large board fixed to a wall where people can put notes and messages for other people to readSYNnotice board BrE2COMPUTING electronic bulletin board a place on an computer information system where you read or leave messages