də̇ˈkyu̇rēən, dēˈ- noun
( -s )
Etymology: Middle English decurioun, from Latin decurion-, decurio, from decuria decury
1. : a Roman cavalry officer in command of 10 men
2.
a. : a member of a municipal or colonial senate in ancient Rome
b. : a member of the great council in an Italian city or town