Defn: Of or pertaining to penology.
PENOLOGIST
Pe*nol"o*gist, n.
Defn: One versed in, or a student of, penology.
PENOLOGY
Pe*nol"o*gy, n. Etym: [Gr. poena, punishment + -logy.]
Defn: The science or art of punishment. [Written also poenology.]
PENRACK
Pen"rack`, n.
Defn: A rack for pens not in use.
PENS
Pens, n.,
Defn: pl. of Penny. [Obs.] Chaucer.
PENSATIVE
Pen"sa*tive, a.