('US') the 'food pyramid' [=a drawing or chart that is shaped like a pyramid and that shows the type of food you should eat for a healthy diet]
the ancient 'pyramids' of Egypt
a 'pyramid' of apples/oranges
(..) Isolated? I'm surrounded. So, your assistant said you were gonna be in Vegas. Did he? Can you get a photo of the cutout in front of the Luxor pyramid? The place is a shithole. Nobody stays there. Jesus, Ryan, I'm not asking you to check in. Can you just take a stupid photo? (..)2009 Up in the Air