A(one) : a shelter or refuge (such as a nest or den) of a wild animal (two) : a normal covering (like a examination or shell) that encloses and protects an animal or perhaps a colony of zooids b : a developing in which a thing is sheltered or saved https://home-improvement-guide88517.blogocial.com/the-smart-trick-of-house-that-no-one-is-discussing-73102983