鳣zhān古书上指鲟一类的鱼。{sturgeon as recorded in ancient books}拃(摠?/word>zhǎ 1.张开大拇指和中指(或小指)来量长度{span; measure by stretching one's thumb and middle finger or little finger}: 用手~了~桌面。{(He) used his hands to measure the surface of the desk.} 2.〈量词classifier〉表示张开的大拇指和中指(或小指)两端间的距离{span; distance between one's stretching thumb and middle finger or little finger}: 这块布有三~宽。{This cloth is three hand-spans wide.}