penal
/ˈpi:nl; `pinl/ adj [esp attrib 尤作定语]
1 of, relating to or used for punishment, esp by law （有关或用作）处罚的, （尤指）刑罚的
penal laws, reforms 刑法、 刑法改革
a `penal colony/settlement, ie a place where criminals are sent as a punishment 罪犯流放地
penal taxation, ie taxation which is so heavy that it seems like a punishment 繁重的课税（重如惩罚）.
2 punishable by law 应受刑罚的
a penal offence 刑事罪.