Definition of "moorish"

Make heauen to frowne and euery fixed ſtarreTo ſucke vp poiſon from the Mooriſh Fens,And poure it in this glorious Tyrants throat.

c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, Act IIII, scene ii

[G]low-worms, fire-drakes, meteors, ignis fatuus […] with many such that appear in moorish grounds, about churchyards, moist valleys, or where battles have been fought […] .

1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: Printed by John Lichfield and James Short, for Henry Cripps

He recommended to me to plant a considerable part of a large moorish farm which I had purchased, and he made several calculations of the expence and profit: for he delighted in exercising his mind on the science of numbers.

1791, James Boswell, Life of Johnson, Oxford, published 2008, page 880

The Lent term had pulled me down, a week of modest enjoyment thereafter in town had finished the work; and I drank in the sharp moorish air like a thirsty man who has been forwandered among deserts.

1899, John Buchan, No Man's Land