Judicature/ˈdʒuːdɪkətʃər/ Definition 1 of 2Pro Tip 1/3Court System Refers to the entire structure of courts in a country, from lower to higher levels. The judicature oversees civil and criminal cases. Pro Tip 2/3Legal Authority Judicature implies the authority of courts to interpret laws and render decisions. Part of the judicature's role is to uphold the constitution. Pro Tip 3/3Judicial Branch The judicature is one of the three branches of government, alongside the executive and legislature. Challenges to laws are resolved by the judicature.