| 释义 |
lazy jack
noun
1. : a device that compensates for expansion and contraction (as in a pipe line) consisting of two linked bell cranks pivoted at the vertices of their complementary angles
2. : an often forked line reaching from the masthead or the topping lift on each side of a fore-and-aft sail to about the middle of the boom to confine the sail when it is lowered — usually used in plural |