東ひがし海かい岸がんFreq.FrequencyTop 20,000Meanings1nouneast coastRefers to the eastern coastline of a landmass, often used for the east coast of the United States or Japan.アメリカの東ひがし海かい岸がんには大おおきな都と市しが多おおい。There are many large cities on the east coast of the United States.