arietarius
Could not find arietariam in Logeion dictionaries.
arietariam Adjective: feminine accusative singular of arietarius
ărĭĕtārĭus, a, um, adj. [aries],
- relating to the battering-ram: machina ... testudo, Vitr. 10, 19.
arietārius, a, um (aries), zum Sturmbock gehörig, des Sturmbocks, testudo, Vitr. 10, 19 (13), 2: machina, Vitr. 10, 19 (13), 6.
ărĭĕtārĭus, a, um (aries), de bélier [machine] : Vitr. Arch. 10, 13, 6.