plebs /plɛbz/ noun[plural only]2 •The common people, especially (derogatory) the mob.For 'tis an Easier Thing To make Trees Leape, and Stones selfe-burthens bring (As once Amphion to the walls of Thaebes,) — 1657 •(historical) The plebeian class of Ancient Rome or its equivalent in other ancient societies.Why I am going with my pidgeons to the tribunall Plebs. — 1588
