noun. In architecture, the apex in the shape of a small pyramid which often terminates the top of an obelisk, and was very commonly sheathed with a cap of metal: often applied to any comparatively small structure or member of pyramidal shape.

noun. The small pyramid which crowns or completes an obelisk.

noun. The small pyramid which crowns or completes an obelisk.

""The heaviest damage appears to be concentrated at the very top of the monument, in what is called the pyramidion, where large cracks of up to 1 1/4 inch wide developed through stone and mortar joints," said Bob Vogel, superintendent of the National Mall and Memorial Parks."

Deer Park  bedew  bedspread  bricks-and-mortar  cenotaph