3. (adj)patent (of a bodily tube or passageway) open; affording freepassage "patent ductus arteriosus"
4. (adj)apparent, evident, manifest, patent, plain, unmistakable clearly revealed to the mind or the senses or judgment "the effects of the drought are apparent to anyone who sees the parched fields"; "evident hostility"; "manifest disapproval"; "patent advantages"; "made his meaning plain"; "it is plain that he is no reactionary"; "in plain view"
5. (verb)patent obtain a patent for
"Should I patent this invention?"
Definition of 'patent'
