swarm,
drove,
horde a group of many things in the air or on the ground; "a swarm of insects obscured the light"; "clouds of blossoms"; "it discharged a cloud of spores"
foregather,
forgather,
assemble,
gather,
meet create by putting components or members together; "She pieced a quilt"; "He tacked together some verses"; "They set up a committee"
mass join together into a mass or collect or form a mass; "Crowds were massing outside the palace"
swarm,
teem,
pullulate,
stream,
pour be teeming, be abuzz; "The garden was swarming with bees"; "The plaza is teeming with undercover policemen"; "her mind pullulated with worries"
A crowd is a large and definable group of people, while "the crowd" is referred to as the so-called lower orders of people in general. A crowd may be definable through a common purpose or set of emotions, such as at a political rally, at a sports event, or during looting, or simply be made up of many people going about their business in a busy area. Everybody in the context of general public or the common people is normally referred to as the masses.
OmegaWiki Dictionary
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crowd A large number of people united for some specific purpose.
crowd A crowd of people pressed close together in a small space.
crowd 6-string musical instrument of Welsh or Irish origin and played with a bow.
crowd A large group of people.
crowd To cause to herd, drive, or crowd together.
crowd To fill or occupy in a small space to the point of overflowing.