Shari'a Definition

noun
The code of law based on the Koran and hadith.
American Heritage

(Islam) Traditional Islamic religious law primarily based on the Quran; it covers the totality of religious, political, social and private life, making no distinction between religion and life – in other words between transgressions of moral rules (sin) and of social rules.

The legislation of shari'a law here is very strict.
Wiktionary

Origin of Shari'a

  • Arabic šarī‘a divinely ordained law from šara‘a to prescribe or ordain (of God) śrʕ in Semitic roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Arabic شَرِيعَة (šarīʿa(t), literally “path, way”).

    From Wiktionary