key pile

key pile

The last pile driven into a bay of sheet-piling; usually slightly tapered.
References in periodicals archive ?
Key hits a boundary (inset, top) before embracing Strauss on reaching 100 (inset, below) and then saluting the crowd (main); England opening bats man Andrew Strauss kisses the ground at Lord's after reaching his century against the West Indies yesterday; Dwayne Bravo can't hide his dejection as Strauss (left) and Key pile on the runs at Lord's
15 You can ask a Northerner for directions but unless you already know the position of key piles of rubble, canals, coal mines, railway crossings and where factories used to stand, you're better off trying to find it yourself.