Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
The word sturio could not be parsed. Trying a normal dictionary lookup:
No entries found. Showing closest matches:
Sturii, ōrum, m., a German tribe, who held an island in the Rhine, Plin. 4, 15, 29, § 101.
Sturium, ii, n., an island in the Mediterranean, near the coast of Gaul, Plin. 3, 5, 11, § 79.