The word yard has several meanings:

• A yard is a unit of measure of length.
• A yard is an enclosed area of land, usually tied to a building.
• In ship construction, a yard is a usually horizontal spar attached to a mast to support a sail.
• Yard of Ale, a measure of beer.
• Scotland Yard, sometimes called The Yard, is headquarters of the Metropolitan Police Service of Greater London.
• A Railroad yard is where trains are made up for travel over a railroad and where they are broken down for delivery to their final destinations.