[hermit crab] n (1735): any of numerous chiefly marine decapod crustaceans (esp. families Diogenidae, Paguridae, and Parapaguridae) having soft asymmetrical abdomens and occupying the empty shells of gastropods
HERMIT CRAB
Meaning of HERMIT CRAB in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012