Main Entry: clo·sure

Pronunciation: \ˈklō-zhər\

Function: noun

Etymology: Middle English, from Anglo-French, from Latin clausura, from clausus, past participle of claudere to close — more at close

Date: 14th century

1 archaic : means of enclosing : enclosure
2 : an act of closing : the condition of being closed <closure of the eyelids> <business closures>
3 : something that closes <pocket with zipper closure>
4 [translation of French clôture] : cloture
5 : the property that a number system or a set has when it is mathematically closed under an operation
6 : a set that consists of a given set together with all the limit points of that set
7 : an often comforting or satisfying sense of finality <victims needing closure>; also : something (as a satisfying ending) that provides such a sense