an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
a custom that for a long time has been an important feature of some group or society; "the institution of marriage"; "the institution of slavery"; "he had become an institution in the theater"
an organization founded and united for a specific purpose
the collection of ancient rabbinic writings on Jewish law and tradition (the Mishna and the Gemara) that constitute the basis of religious authority in Orthodox Judaism
the act of transacting within or between groups (as carrying on commercial activities); "no transactions are possible without him"; "he has always been honest is his dealings with me"