From Longman Dictionary of Contemporary Englishhigh commissionˌhigh comˈmission noun [countable] 1 PGa group of people working for a government or an international organization to deal with a specific problem2 PGa group of people with official duties concerning the relationship of one Commonwealth country with another —High Commissioner noun [countable]
Examples from the Corpus
high commission• The lack of such participants has been aggravated over the years by high commission costs and clearing fees.• Sources say that high commission officials have expressed concern at the interventions.• Pamela Baptiste, a former consular officer at the high commission in St Lucia, has lodged a claim of unfair dismissal.• She worked at the high commission from June 1991 until her dismissal in June 1998.• the UN High Commission for RefugeesFrom Longman Business DictionaryHigh CommissionˌHigh Comˈmission noun [countable] a building in a COMMONWEALTH country where the official representatives of another Commonwealth country workthe UK High Commission in Harare 