n. [ Of. closure, L. clausura, fr. clauedere to shut. See Close, v. t. ] 1. The act of shutting; a closing; as, the closure of a chink. [ 1913 Webster ]

2. That which closes or shuts; that by which separate parts are fastened or closed. [ 1913 Webster ]

Without a seal, wafer, or any closure whatever. Pope. [ 1913 Webster ]

3. That which incloses or confines; an inclosure. [ 1913 Webster ]

O thou bloody prison . . .
Within the guilty closure of thy walls
Richard the Second here was hacked to death. Shak. [ 1913 Webster ]

4. A conclusion; an end. [ Obs. ] Shak. [ 1913 Webster ]

5. (Parliamentary Practice) A method of putting an end to debate and securing an immediate vote upon a measure before a legislative body. It is similar in effect to the previous question. It was first introduced into the British House of Commons in 1882. The French word clôture was originally applied to this proceeding. [ 1913 Webster ]

6. (Math.) the property of being mathematically closed under some operation; -- said of sets. [ PJC ]

7. (Math.) the intersection of all closed sets containing the given set. [ PJC ]

8. (Psychol.) achievement of a sense of completeness and release from tension due to uncertainty; as, the closure afforded by the funeral of a loved one; also, the sense of completion thus achieved. [ PJC ]