mob

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A large disorderly crowd or throng. See Synonyms at crowd¹.
2. n. The mass of common people; the populace.
3. n. Informal An organized gang of criminals; a crime syndicate.
4. n. Informal Organized crime. Often used with the: a murder suspect with links to the Mob.
5. n. An indiscriminate or loosely associated group of persons or things: a mob of boats in the harbor.
6. n. Australian A flock or herd of animals.
7. v. To crowd around and jostle or annoy, especially in anger or excessive enthusiasm: Eager fans mobbed the popular singer.
8. v. To crowd into: Visitors mobbed the fairgrounds.
9. v. To attack in large numbers; overwhelm: The quarterback was mobbed by the defensive line.

Century Dictionary and Cyclopedia

1. n. A mob-cap.
2. To conceal or cover, as the face, by a cap or hood.
3. To dress awkwardly.
4. n. The common mass of people; the multitude; hence, a promiscuous aggregation of people in any rank of life; an incoherent, rude, or disorderly crowd; rabble.
5. n. A riotous assemblage; a crowd of persons gathered for mischief or attack; a promiscuous multitude of rioters.
6. n. A herd, as of horses or cattle; a flock, as of sheep.
7. n. Synonyms Rabble, etc. See populace.
8. To attack in a disorderly crowd; crowd round and annoy; beset tumultuously, whether from curiosity or with hostile intent: as, to mob a person in the street.
9. To scold.

Wiktionary

1. abbr. mobile phone
2. n. An unruly group of people.
3. n. A commonly used collective noun for animals such as horses or cattle.
4. n. The Mafia, or a similar group that engages in organized crime (preceded by the).
5. n. video games A non-player character that exists to be fought or killed to further the progression of the story or game.
6. v. transitive To crowd around (someone), often with hostility.
7. v. transitive To crowd into or around a place.
8. v. video games The act of a player aggroing enemies so they follow them and gather, forming a mob of foes.

GNU Webster's 1913

1. n. A mobcap.
2. v. rare To wrap up in, or cover with, a cowl.
3. n. The lower classes of a community; the populace, or the lowest part of it.
4. n. A throng; a rabble; esp., an unlawful or riotous assembly; a disorderly crowd.
5. v. To crowd about, as a mob, and attack or annoy.

WordNet 3.0

1. n. an association of criminals
2. v. press tightly together or cram
3. n. a disorderly crowd of people
4. n. a loose affiliation of gangsters in charge of organized criminal activities