Definition of: sycee

(sī·sē′) noun
Pure uncoined silver ingots of various weight and size: used by the Chinese as a medium of exchange. Also sycee silver.
—adjective Pure; unalloyed. [<dial. Chinese (Cantonese) sai sze, var. of Chinese si szĕ fine silk; so called because if pure it may be drawn out into fine threads]