Causidicus
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Lat. [from causa, and dicere, to speak.] A pleader; one who argued a cause ore tenus. Julius clericus nisi causidicus; no clerk who was not a pleader.
Will. Malms. De Gest. Reg. 1. 4. 1 Bl. Com. 17. 1 Spence's Chancery, 14, note (d).