Lutetian /luːˈtiːʃən/adjective 3noun 1forms 3 adjective3 •Of or pertaining to ancient Lutetia.The activity of the Lutetian shippers and navigators covered the territory bathed by the Seine, the Marne, and the Oise, all of them quite navigable. — 2018 •(literary) Parisian.[...] not long before I took him to the Aerogare, he gave the last of his Lutetian homilies [...] — 1989 •Of or pertaining to the Lutetian age.It is important to note that the Lutetian sediments occurring in the area under investigation were distinguished as limestone and flysch during previous studies also. — 1971 noun1 •A native or inhabitant of Lutetia.It is possible that, when they left their islands, a justifiable concern for their own safety in wartime led the Lutetians to settle at the points that were least exposed to aggression. — 1964 formsLutetians · more Lutetian · most Lutetian