(1):

(v. t.) To crowd about, as a mob, and attack or annoy; as, to mob a house or a person.

(2):

(n.) A throng; a rabble; esp., an unlawful or riotous assembly; a disorderly crowd.

(3):

(n.) A mobcap.

(4):

(v. t.) To wrap up in, or cover with, a cowl.

(5):

(n.) The lower classes of a community; the populace, or the lowest part of it.