trust territory

American  

noun

1. a territory under the administrative control of a country designated by the United Nations.

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trust territory British  

noun

1. (sometimes capital) another name for a trusteeship

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Example Sentences

The U.S. government administered the islands as a trust territory until they became fully independent in 1986, and the American military retains a major base on the islands to this day.

From Slate • Sep. 15, 2020

News from Nauru: It was 50 years ago that the U.N. trust territory of Nauru became its own nation, the Republic of Nauru.

From Time • Jun. 26, 2017

After the Second World War, they became a U.N. trust territory, administered by the United States.

From The New Yorker • Jul. 25, 2016

By 1986, Palau was the only trust territory left in Micronesia.

From New York Times • Mar. 1, 2016

Ghana:   Formed from the merger of the British colony of the Gold   Coast and the Togoland trust territory, Ghana in 1957 became the   first country in colonial Africa to gain its independence.

From The 2001 CIA World Factbook by United States. Central Intelligence Agency