All 3 Uses of

valor

in

Moby Dick

But were the coming narrative to reveal in any instance, the complete abasement of poor Starbuck's fortitude, scarce might I have the heart to write it; for it is a thing most sorrowful, nay shocking, to expose the fall of valour in the soul.†
Chpt 25-27

unconventional spelling: This is a British spelling. Americans use valor.

That immaculate manliness we feel within ourselves, so far within us, that it remains intact though all the outer character seem gone; bleeds with keenest anguish at the undraped spectacle of a valor-ruined man.†
Chpt 25-27 *

For as the one ship that held them all; though it was put together of all contrasting things—oak, and maple, and pine wood; iron, and pitch, and hemp—yet all these ran into each other in the one concrete hull, which shot on its way, both balanced and directed by the long central keel; even so, all the individualities of the crew, this man's valor, that man's fear; guilt and guiltiness, all varieties were welded into oneness, and were all directed to that fatal goal which Ahab their one lord and keel did point to.†
Chpt 133-135

Definition:

exceptional or heroic courage when facing danger -- especially in battle