board

noun

1. a : a group of individuals having managerial, supervisory, investigatory, or advisory powers over a public or private business, trust, or other organization or institution Board of Regents Board of Bar Overseers

   b : a federal, state, or local government agency — see also National Labor Relations Board

2. a : a group of citizens elected to administer the business of or an aspect of the business of a political unit (as a town or county) a board of selectmen

   b : a federal, state, or local government agency — see also National Labor Relations Board

3. : a securities or commodities exchange — see also board of trade