Play \Play\, v. t. {To play hob}, to play the part of a mischievous spirit; to work mischief. Plebs \Plebs\ (pl[e^]bz), n. [L. Cf. {Plebe}.] 1. The commonalty of ancient Rome who were citizens without the usual political rights; the plebeians; -- distinguished from the {patricians}. 2. Hence, the common people; the populace; -- construed as a pl.