Amoy /əˈmɔɪ/ noun1 •(old-fashioned) Former name of Xiamen: a prefecture-level city and subprovincial city of Fujian, in southeastern China.He told me of a place on the mainland, near his native village—some seventy miles up the coast, between Foochow and Amoy—where game was plentiful, and sportsmen rare. — 1896