1. 
[syn: penology, poenology]
The Collaborative International Dictionary of English v.0.48:
Penology \Pe*nol"o*gy\, n. [Gr. poinh`, or L. poena, punishment
   + -logy.]
   The science or art of punishment. [Written also
   p[oe]nology.]
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Poenology \P[oe]*nol"o*gy\ (p[-e]*n[o^]l"[-o]*j[y^]), n.
   See Penology.
   [1913 Webster]
WordNet (r) 3.0 (2006):
poenology
    n 1: the branch of criminology concerned with prison management
         and prisoner rehabilitation [syn: penology, poenology]