bar association - Legal Definition
A professional organization of attorneys who practice law within a specific geographic area (for example, a state bar association) or who practice in a common field or area of expertise in the law (for example, a defense attorneys’ bar association).integrated bar
A bar association in which membership is legally required of all attorneys who practice law in that state or jurisdiction. Also called a compulsory bar, mandatory bar, and unified bar.voluntary bar
A bar association that attorneys do not need to join in order to practice law.