שֻׁלְחָן עָרוּך, “the set table” – a summary and codification of the halakhic laws and rulings in the four parts of the Ṭur, written by Rabbi Yosef Caro. The Shulḥan Arukh is a fundamental resource of halakhic code still in use today, and is considered the last great codification of Jewish Law.
Read more in the Jewish Encyclopedia.