謂圓周直徑一寸。比喻細小?！?a href="/hycd/z/z210428.htm" target="_blank">戰(zhàn)國策·趙策三》：“人有置係蹄者而得虎，虎怒，決蹯而去?；⒅椋?a href="/hycd/f/f170899.htm" target="_blank">非不愛其蹯也，然而不以環(huán)寸之蹯害七尺之軀者，權也?！?/p>