wing bar

The chin and throat are also white, like the wing bar, which is strikingly visible in flight.

The harbour entrance is the result of the inability of the shore drift to build a complete wing bar because of the scour created by the great tidal range in this area.

In a flying machine, a supporting surface comprising a flexible body, a fixed front wing bar, a centrally pivoted rear wing bar, flexible ribs connecting said bars, slidable supports for the rear wing bar, and sustaining springs associated with said supports.

...the tendency is to wedge the metal sheets which compose the flume between the wings of the inner or wing bar.