nounpl. -·virs or -·viri·
- a member of a council of ten magistrates in ancient Rome: in 451-450 this body drew up the first Roman code of laws
- a member of any authoritative group of ten men
Origin of decemvirL, singular of decemviri from decem, ten + vir, a man: for Indo-European base: see werewolf
nounpl. de·cem·virs, or de·cem·vi·ri
- One of a body of ten Roman magistrates, especially a member of one of two such bodies appointed in 451 and 450 BC to draw up a code of laws.
- One of an authoritative body of ten.
Origin of decemvirMiddle English from Latin sing. of decemvirī commission of ten men decem ten ; see dek&mlowring; in Indo-European roots. virī pl. of vir man ; see wī-ro- in Indo-European roots.
(plural decemvirs or decemviri)