the Pacific RimPacific Rim, the (also the Pacific Rim countries)
the countries or parts of countries that border the Pacific Ocean, such as Japan, Australia, and the west coast of the US, considered as an economic group
From Longman Business Dictionary
Pacific RimPaˌcific ˈRim noun
the Pacific RimECONOMICS the countries and states that border the Pacific Ocean, such as Japan, Australia, and the west coast of the US, considered as an economic group