Noun
A vernier.
Source: Webster's dictionaryAfter the battle in Pharsalia, when Pompey was fled, one Nonius said they had seven eagles left still, and advised to try what they would do. "Your advice," said Cicero, "were good if we were to fight jackdaws." Plutarch
The other two legions in the winter-quarters of the army at castrum Moguntiacum citation were led by Varus' nephew, Lucius Nonius Asprenas and perhaps Lucius Arruntius. Source: Internet