a legendary Irish hero and bard of the 3rd century ad
See also Macpherson
Ossian in American English
(ˈɑʃən; ˈɑsiən)
noun
Folklore
a bard and hero of the 3d cent.: James Macpherson published pieces of poetic prose (1761-65) which he falsely claimed were his translations of Ossian's poetry from old Gaelic manuscripts