He had been Duke of Savoy, and after a very glorious reign, took on him the habit of a hermit, and retired into this solitary spot. Addison.

Hermit crab (Zoöl.), a marine decapod crustacean of the family Paguridæ. The species are numerous, and belong to many genera. Called also soldier crab. The hermit crabs usually occupy the dead shells of various univalve mollusks. See Illust. of Commensal. -- Hermit thrush (Zoöl.), an American thrush (Turdus Pallasii), with retiring habits, but having a sweet song. -- Hermit warbler (Zoöl.), a California wood warbler (Dendroica occidentalis), having the head yellow, the throat black, and the back gray, with black streaks.