pēˈnalize or pēˈnalise transitive verb

1. To make (something) punishable
2. To impose a penalty or disadvantage on (eg someone guilty of an offence or lapse)

pēˈnally adverb

penal code noun

A codified system of law relating to crime and punishment

penal laws plural noun

Laws imposing penalties, esp (historical) in matters of religion

penal servitude noun

Hard labour in a prison under different conditions from ordinary imprisonment, substituted in 1853 for transportation, then abolished 1948

penal settlement noun

A settlement peopled by convicts