Duplarius (pl.
: duplares), duplicarius or dupliciarius was an inferior, low-ranking Roman officer, who received double rations or increased payment valuing the 2nd ration based on their valor.
[1][2] As part of cavalry, one decurio, one duplicarius, and one sesquiplarius was assigned to one turma.
[2] Each duplarius as part of a turma was allowed to have two horses.
[2] Golden-badged duplares were named Torquati duplares.