noun
: a tackle consisting of a fixed triple block and a double or triple movable block hooked to a winding pendant for hoisting heavy articles in or out of a ship
noun
: a tackle consisting of a fixed triple block and a double or triple movable block hooked to a winding pendant for hoisting heavy articles in or out of a ship
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012