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. n. An unruly group of people.
2. n. A commonly used collective noun for animals such as horses or cattle.
3. n. The Mafia, or any such criminal group.
4. n. A non-player character that exists to be fought or killed to further the progression of the story or game.
5. n. A promiscuous woman; a harlot or wench; a prostitute. [17th-18th c.]
6. v. To crowd around someone or something.
7. abbr. mobile phone

GNU Webster's 1913

1. n. A mobcap.
2. v. 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