The Collaborative International Dictionary of English v.0.48:
boardroom \boardroom\ n. a room where a committee meets (such as the board of directors of a company). Syn: council chamber. [WordNet 1.5]WordNet (r) 3.0 (2006):
boardroom n 1: a room where a committee meets (such as the board of directors of a company) [syn: boardroom, council chamber]