indurate

The ear, small and shapely, the arch of the foot, the curve in mouth and nostril, even the indurated hand dyed to the orange-tawny of the toucan's bill, a hand telling alike of the halyards and tar-bucket […] all this strangely indicated a lineage in direct contradiction to his lot.

Oh, no ! it is the curse of revolutionary calamities to indurate the heart — the revolutionary impulse is too swift to admit of a pause at the sight of individual misery — the tempest is too loud to hear the wailings of the wretch that perishes beneath its billows […]

The afternoon was not particularly warm: our noses and eyes were running; his were dry. He was evidently indurated against natural hardships.