The policy of a country seeking to extend or retain its authority over other people or territories, generally with the aim of economic dominance. / A colonial word, phrase, concept, or habit.

(architecture) Having one or more colonnades.

(military) The rank or office of a colonel.

Of or pertaining to colonialism.

One who supports or advocates colonialism.

plural of colonialist

A mysterious and widespread phenomenon of the sudden disappearance of colonies of bees.

plural of colonus

plural of colonel

An army officer in many countries, ranking below a colonel and above a major. Often the commander of a battalion or the executive officer of a regiment.