Found 2 items, similar to hermit crab.
English → English (WordNet) Definition: hermit crab hermit crab n : small soft-bodied marine crustaceans living in cast-off shells of gastropods
English → English (gcide) Definition: Hermit crab Hermit \Her"mit\, n. [OE. ermite, eremite, heremit, heremite, F. hermite, ermite, L. eremita, Gr. ?, fr. ? lonely, solitary. Cf. Eremite.] 1. A person who retires from society and lives in solitude; a recluse; an anchoret; especially, one who so lives from religious motives. [1913 Webster] 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. [1913 Webster] 2. A beadsman; one bound to pray for another. [Obs.] “We rest your hermits.” --Shak. [1913 Webster] 3. (Cookery) A spiced molasses cookie, often containing chopped raisins and nuts. [Webster 1913 Suppl.] Hermit crab (Zo["o]l.), a marine decapod crustacean of the family Pagurid[ae]. 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 (Zo["o]l.), an American thrush (Turdus Pallasii ), with retiring habits, but having a sweet song. Hermit warbler (Zo["o]l.), a California wood warbler (Dendroica occidentalis), having the head yellow, the throat black, and the back gray, with black streaks. [1913 Webster]