trepidiarius

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

trĕpĭdĭārĭus, a, um, adj. [trepidus],

restless , moving briskly : sed ipsos equos, quos vulgo trepidiarios, militari verbo tottonarios vocant, ita edomant, etc., Veg. 1, 56, 37.