(1):

(a.) Of or pertaining to the Roman plebs, or common people.

(2):

(a.) Of or pertaining to the common people; vulgar; common; as, plebeian sports; a plebeian throng.

(3):

(n.) One of the plebs, or common people of ancient Rome, in distinction from patrician.

(4):

(n.) One of the common people, or lower rank of men.