tael /teɪl/ noun3 •Any of several units of measure used in China and elsewhere in eastern Asia, approximately 40 grams, and metricated in Mainland China as exactly 50 grams. •(Hong-Kong) Leung, a traditional unit of weight, in modern usage legally defined as 1/16 of a catty or kan (斤) or 0.0377993638 kilograms •Any of several monetary units equal to the equivalent weight in silver. formstaels