noun:a group of people living in the same place
The local community organized a fundraiser for the new park.
noun:a feeling of fellowship with others, as a result of sharing common attitudes, interests, and goals
There is a strong sense of community among the volunteers at the shelter.
noun:all the interacting organisms living together in a particular habitat or ecological region
The coral reef community includes fish, corals, crustaceans, and many other marine species.