A shackle that closes by means of a spring. / A shackle joining one spring of a vehicle with another, or with a rigid piece.

plural of spring shackle

Of or relating to Ernest Shackleton (1874–1922), polar explorer who led three British expeditions to the Antarctic.

One who shackles. / (mining, historical) A person who couples wagons together.

plural of shackler

having no shack, or house

that has no shackles, or is not in shackles

Of or relating to G. L. S. Shackle (1903–1992), English economist who made a practical attempt to challenge classical rational-choice theory.

plural of Shackleford

A surname. / A village and civil parish in Guildford borough, Surrey, England (OS grid ref SU9345). / An unincorporated community in Saline County, Missouri, United States, derived from the surname.