Obs. [f. FORT + ROYAL a. Cf. Fr. bastion royal a great bastion.] Some kind of fort of great size and strength: see quot. 1706.
1645. N. Stone, Enchir. Fortif., 39. To convert a Square Fortresse … into a Fort-Royall.
1672. Essex Papers (Camden), I. 4. Kinsale might haue a Forte Royall erected on it [the Harbour].
1706. Phillips (ed. Kersey), Fort Royal, a Fort that has 26 Fathoms for the Line of Defence.
fig. 1650. Hubbert, A Pill to Purge Formality, 12. Hypocrisie is the devils Fort-Royal, it makes all other sins stoop to it.
1683. Whole Duty Nations, 36. To acknowledge this Union the Fort-Royal against the hostile Invasions of Popery, which should conciliate them as far as possible among themselves.
