the group of workers represented by a particular union and covered by a union contract. This unit may include all the workers in a single office or in a number of offices, or it may include only the workers in a single department. The final unit is determined by the NLRB, or agreed to jointly by the union and the employer.
A group of unionized employees. see also unit.
A group of employees in a given workplace who have a sufficient similarity of interest to constitute a unit for the purpose of bargaining collectively with their employer. A bargaining unit is usually defined by the National Labor Relations Board, or similar federal, state or local agency.