colony

noun

col·​o·​ny ˈkä-lə-nē 

plural colonies

1

: an area over which a foreign nation or state extends or maintains control

a former colony

"British America" in 1776 signified not only the thirteen colonies and [the historical region called] the Floridas, but also Canada, Nova Scotia, and Britain's Caribbean colonies …

—Linda Colley

also : a group of people who establish residence in that area and who retain ties with the parent state

members of Plymouth colony

2

: a group of people who settle together in a new place

… building an ecosystem from scratch on Mars that can provide food, water and oxygen to support a colony is no small task.

—Eric Mack

also : the land or buildings used by such a group

… suggested … the possibility that crops grown inside the [theoretical Mars] colony would produce suffocating levels of oxygen.

—Scott Dance

3

: a distinguishable localized population of a species or type of organism

a colony of termites/ants

The birds [black skimmers] generally nest in colonies along beaches, with the largest colony in Florida residing on Marco Island.

—Karl Schneider

4

a

: a circumscribed mass of microorganisms usually growing in or on a solid medium

colonies of bacteria

b

: the aggregation of zooids of a compound animal (such as a coral or bryozoan)

A new coral colony is begun when a planula settles down on a reef, attaches itself there, and forms the first polyp, from which others bud.

—Joseph E. Neigel and John C. Avise

5

: a group of individuals or things with common characteristics or interests living in close association

an artist colony

a nudist colony

also : the land or buildings used by such a group

6

: a group of persons institutionalized away from others

a leper colony

a penal colony

also : the land or buildings used by such a group

Synonyms of colony

• plantation
• outpost

Examples of colony in a Sentence

Massachusetts was one of the original 13 British colonies that later became the United States.

a former French colony in Africa

Recent Examples on the Web

These predatory social wasps build large colonies and are notorious for scavenging around human food. — Nick Perry, USA Today, 9 Sep. 2026

Jacquie Navratil, who always has cat trapping gear in her van, prepares to trap a colony at Angel City Lumber. — Adam Tschorn, Los Angeles Times, 8 Sep. 2026

Though Argentina was never a British colony, British influence and money played a crucial role in the growth of the Argentine state in the decades after its establishment in 1816. — ABC News, 4 Sep. 2026

The colony dies each year and nests aren’t reused, so sometimes waiting out the season is the best bet when dealing with active hornets. — Karen Brewer Grossman, Southern Living, 3 Sep. 2026

Word History

Etymology

Middle English colonie, from Middle French & Latin; Middle French, from Latin colonia, from colonus farmer, colonist, from colere to cultivate — more at wheel

First Known Use

circa 1550, in the meaning defined at sense 1

Phrases Containing colony

• colony collapse disorder
• colony-stimulating factor
• crown colony
• penal colony
• settler colony
• sub-colony

Kids Definition

colony

noun

col·​o·​ny ˈkäl-ə-nē 

plural colonies

1

a

: a distant territory under the control of a foreign nation

b

: a group of people who settle in that territory and retain ties with their original homeland

2

: a group of people who settle in a new place

3

a

: a population of plants or animals in a particular place that belong to one species

b

: a mass of microbes usually growing in or on a solid food source (as agar)

4

: a group of people with common qualities or interests living in close association

an artist colony

Medical Definition

colony

noun

col·​o·​ny ˈkäl-ə-nē 

plural colonies

: a circumscribed mass of microorganisms usually growing in or on a solid medium