—n.
1 the act or process of closing.
2 a closed condition.
3 something that closes or seals, e.g. a cap or tie.
4 a procedure for ending a debate and taking a vote, esp. in Parliament.
—v.tr. apply the closure to (a motion, speakers, etc.).
Etymology: ME f. OF f. LL clausura f. claudere claus- CLOSE(2)
Useful english dictionary. 2012.