Definition of turnbuckle. : a device that usually consists of a link with screw threads at both ends, that is turned to bring the ends closer together, and that is used for tightening a rod or stay.
Such splintering had not yet led to formal party organization, but later the faction led by Andrew Jackson would evolve into the Democratic Party, while the factions led by John Quincy Adams and Henry Clay would become the National Republican Party and later the Whig Party.
Historians typically use the title Republican Party. It was the second political party in the United States, and was organized by then Thomas Jefferson and his friend James Madison in 1791â93, to oppose the Federalist Party run by Secretary of the Treasury Alexander Hamilton.