noun

• The act or process of making or becoming clear.
• An area of land within a wood or forest devoid of trees.
• An open space in the fog etc.
• (banking, finance) A process of exchanging transaction information and authorisation through a central institution or system to complete and settle those transactions.
• (telecommunications) A sequence of events used to disconnect a call, and return to the ready state.
• (Britain, education) The period in which remaining university places are allocated to remaining students.
• (soccer) The act of removing the ball from one's own goal area by kicking it.