market overt
/ˈmɑːkɪt əʊˈvəːt/ /ˈmɑːkɪt ˈəʊvəːt/Law
noun
A public, open, and legal market; the principles regulating the sale of goods in such a market.
Origin
Mid 16th century; earliest use found in Acts of Parliament. From market + overt, after Law French marche overt.