Noun justice has 4 senses
  1. justice, justness - the quality of being just or fair
    --1 is a kind of righteousness; natural virtue
    Antonyms: injustice, unjustness
    --1 has particulars: fairness, equity; right, rightfulness
  2. justice, judicature - the administration of law; the act of determining rights and assigning rewards or punishments; "justice deferred is justice denied"
    --2 is a kind of administration, disposal
  3. judge, justice, jurist, magistrate - a public official authorized to decide questions bought before a court of justice
    --3 is a kind of official, functionary; adjudicator
    --3 has particulars:
     chief justice; Daniel; doge; justice of the peace; justiciar, justiciary; ordinary; praetor, pretor; qadi; recorder; stipendiary, stipendiary magistrate; trial judge; trier; Samson
  4. Department of Justice, Justice Department, Justice, DoJ - the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870
    --4 is a kind of executive department
    --4 has parts:
     Bureau of Justice Assistance, BJA; Bureau of Justice Statistics, BJS; Federal Bureau of Investigation, FBI; Immigration and Naturalization Service, INS; Drug Enforcement Administration, Drug Enforcement Agency, DEA; Federal Bureau of Prisons, BoP; National Institute of Justice, NIJ; United States Marshals Service, US Marshals Service, Marshals