Noun

The act of clearing or something (such as a space) cleared

The distance between two moving objects, especially between parts of a machine

The height or width of a tunnel, bridge or other passage, or the distance between a vehicle and the walls or roof of such passage; a gap, headroom.

A permission for a vehicle to proceed, or for a person to travel.

The plane got clearance from air traffic control, and we were off.

He got clearance to travel to America, even though he had previous links to terrorists

A permission to have access to sensitive or secret documents or other information

A sale of merchandise at a reduced price.

(banking, finance) The settlement of transactions involving securities or means of payment such as checks by means of a clearing house.

(medicine) The removal of harmful substances from the blood; renal clearance.

(sports, billiards, snooker, pool) The act of potting all the remaining balls on a table at one visit.

(soccer) The act of kicking a ball away from the goal one is defending.

* {{quote-news

, year=2010 , date=December 29 , author=Chris Whyatt , title=Chelsea 1 - 0 Bolton , work=BBC citation , page= , passage=Bolton were then just inches from taking the lead, but the dangerous-looking Taylor drilled just wide after picking up a loose ball following Jose Bosingwa's poor attempted clearance .}}

(chess) Removal of pieces from a rank, file or diagonal so that a bishop, rook or queen is free to move along it.

Clear or net profit.

(Trollope)