洲沚 zhōuzhǐ islet Origin Definitions Defs Strokes Stroke Words Sentences Sents 洲 zhōu noun islet (bound form) A small island in a river or a sandbar formed by silt deposits; also used for landforms like a 三角洲 sānjiǎozhōu or 绿洲 lǜzhōu沚 zhǐ islet (bound form) small piece of land or islet rising out of the water