The Collaborative International Dictionary of English v.0.48:

Leguleian \Le`gu*le"ian\ (l[=e]`g[-u]*l[=e]"yan), a. [L.
   leguleius pettifogger, fr. lex, legis, law.]
   Lawyerlike; legal. [R.] "Leguleian barbarism." --De Quincey.
   -- n. A lawyer.
   [1913 Webster]