a. [f. ARMOUR sb. + -LESS.] Without armor, defenceless.

1

1398.  Trevisa, Barth. De P. R., XVIII. xxx. (1495), 792. The harte chaungyth his hornes … and thenne he is armourles.

2

1650[?].  Don Bellianis, 93. Seeing him armourless.

3