What is a colony?

In Russian there are words that have different definitions. For example, what is a colony? The word colony has several meanings that unite the notion of "grouping, aggregate".

What is the colony of the explanatory dictionary of Dal

1. The totality of people - immigrants from another country,living in a certain territory. For example, at the beginning of the 17th century, the first English resettlement colonies appeared in North America, New Zealand, the African and Australian continents. Their policy was aimed at developing economic and political independence. And at the end of the XIX century the largest colony Canada first achieved self-government within the empire.
2. Forcibly seized country, which is deprivedstate independence (political and economic power) and is operated by the metropolitan state. An example of such a country is Australia.
3. A corrective-labor institution thatensures convicts serving sentences on the verdict of the court and performs tasks of national economic importance. Corrective labor colonies include colonies of strict, reinforced, general and special treatment, colonies of the settlement.
4. Group of colonial microorganisms - congestionunicellular organisms of one species in a medium favorable for existence. For example, coral polyps, algae and sponges, bryozoans, coelenterates polyps.
5. Concentration of representatives of one biological species. For example, nesting colonies of birds (rooks, swallows, penguins). In the caves of Morrowind are inhabited by colonies of unique animals - kvama.