Webster’s Revised Unabridged Dictionary · 1913
Sycee
Sy·cee′ (sĭ·sē′ or sī·sē′), 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.