formularius

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

formŭlārĭus, ii, m. [formula, II. C.],

a lawyer skilled only in composing writs or forms of process in courts of law : alii se ad album ac rubricas transtulerunt et formularii vel, ut Cicero ait, leguleii quidam esse maluerunt, etc., Quint. 12, 3, 11.