A large number of things or people considered together
"A crowd of insects assembled around the flowers"
An informal body of friends
"He still hangs out with the same crowd"
To gather together in large numbers
"Men in straw boaters and waxed mustaches crowded the verandah"
Cause to herd, drive, or crowd together
"We herded the children into a spare classroom"
Approach a certain age or speed
"She is pushing fifty"
Fill or occupy to the point of overflowing
"The students crowded the auditorium"