n. 纹银, 银锭

Sycee \Sy*cee"\, n. [Said to be from a Chinese word, se-tze or
se-sze, meaning, fine silk, and to be so called because if
pure it may be drawn out into fine threads.]
Silver, pounded into ingots of the shape of a shoe, and used
as currency. The most common weight is about one pound troy.
[China] --McElrath.