The term 'Eastern Weights' refers to a type of currency used in East Asia, particularly China, during the Ming and Qing dynasties. The currency was known as 'taels, ' which is a five-letter word that can be found in crossword puzzles. Taels were made from silver and gold and were used as a form of payment for goods and services. They were also used to pay taxes and were an important part of the Chinese economy.