Webster's Revised Unabridged Dictionary · 1913

Jacobite

Jacobite , proper noun

[Latin Jacobus James: compare French Jacobite. See 2d Jack.]

1.
(Eng. Hist.) A partisan or adherent of James the Second, after his abdication, or of his descendants, an opposer of the revolution in 1688 in favor of William and Mary. — Macaulay
2.
(Ecclesiastical) One of the sect of Syrian Monophysites. The sect is named after Jacob Baradaus, its leader in the sixth century.

Jacobite , proper adjective

Of or pertaining to the Jacobites.