Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
lŏcātor, ōris, m. [loco],
* lŏcātōrĭus, a, um, adj. [loco], of or belonging to letting or hiring out: locatorius, μισθωσιμαῖος, Gloss. Philox.: locatoria provincia, where one will be a mere letter out, Cic. Att. 15, 9, 1; Orell. N. cr.