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.
Jackson's supporters then founded what became the Democratic Party. Nominated again in 1828, Jackson crusaded against Adams and the corrupt bargain between Adams and Henry Clay he said cost him the 1824 election. Building on his base in the West and new support from Virginia and New York, he won by a landslide.