Main Entry: bloc

Pronunciation: \ˈbläk\

Function: noun

Etymology: French, literally, block

Date: 1903

1 a : a temporary combination of parties in a legislative assembly b : a group of legislators who act together for some common purpose irrespective of party lines
2 a : a combination of persons, groups, or nations forming a unit with a common interest or purpose <a bloc of voters> b : a group of nations united by treaty or agreement for mutual support or joint action