Meaning of SHEARS in English
( n. )
An apparatus for raising heavy weights, and especially for stepping and unstepping the lower masts of ships. It consists of two or more spars or pieces of timber, fastened together near the top, steadied by a guy or guys, and furnished with the necessary tackle.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012