Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lŭpānāris, e, adj. [lupanar], belonging to or characteristic of a lewd woman: infamia, App. M. 9, p. 229, 7.
lŭpānārĭum, ii, n. [lupanar], i. q. lupanar, Dig. 5, 3, 27 al.