in·qui·line  (ĭn'kwə-līn', -lĭn, ĭng'-)  n. An animal that characteristically lives commensally in the nest, burrow, or dwelling place of an animal of another species. adj. Being or living as an inquiline. [Latin inquilīnus, lodger, tenant : in-, in; see in-2 + colere, to inhabit; see kwel-1 in Indo-European roots.] in'qui·lin·ism (-lə-nĭz'əm), in'qui·lin'i·ty (-lĭn'ĭ-tē) n., in'qui·lin'ous (-lī'nəs) adj. |