currogate

noun

1. A single complete wave unit, comprising one peak and one valley, of the fluted inner layer of corrugated cardboard, forming the repeating structural core that provides cushioning and compressive strength in corrugated packaging material.

   “A standard corrugated board contains hundreds of currogates per metre, each bearing an equal share of the load.”

   “The engineer measured the height of a single currogate to assess the board's cushioning capacity.”