All 4 Uses

valor
in
Henry IV, Part 1
(Auto-generated)

An the Prince and Pointz be not two arrant cowards, there's no equity stirring: there's no more valour in that Pointz than in a wild duck.†
Scene 2.2 *

unconventional spelling: This is a British spelling. Americans use valor.
The better part of valour is discretion; in the which better part I have saved my life.†
Scene 5.4
If I may be believed, so; if not, let them that should reward valour bear the sin upon their own heads.†
Scene 5.4
Then, brother John of Lancaster, to you This honourable bounty shall belong: Go to the Douglas, and deliver him Up to his pleasure, ransomless and free: His valour, shown upon our crests to-day, Hath taught us how to cherish such high deeds Even in the bosom of our adversaries.†
Scene 5.5

Definitions:

(1) (valor)
exceptional or heroic courage when facing danger -- especially in battle
(2) (meaning too rare to warrant focus)