A group of people...
Did you see the crowd of people at the football game...
That crowd (1) is crowding (5) my doorway because they're all crowding (3). That crowd (2) must enjoy crowding (4) each other.
a large number of peolpe or animals
there was a huge crowd at the pub last night
A label given when the number of beings (whether they be humans or another kind of breathing lifeform) exceed the number of meters in which all that contribute to the label of ‘crowd’ currently are. Some may claim that 3 or more is a crowd - if all are within a meter or two radius, then it is classified as a very small crowd. Several amateur singers, actors, dancers and performers become very familiar and comfortable with this size.
In a densely populated crowd, the concept of personal space is neither respected nor recognized by others.
1: a lot of people in the same place.
2: to block an entrance.
3: What chinease people call those white fluffy things in the sky.
At the rock show, there was a big crowd.
Many people gathered together.
The crowd cheered as one at the entertainer.