Examples from the Web for dihedral
At this point in Book VI it is customary to introduce the dihedral angle.
The "upturned tip" dihedral certainly appears to have the advantage.The Theory and Practice of Model Aeroplaning|V. E. Johnson
The locus of a point equidistant from the faces of a dihedral angle is the plane bisecting the angle.
It is a monoplane of the dihedral type, with a main plane on each side of the center.Flying Machines|W.J. Jackman and Thos. H. Russell
In determining the center of gravity, the bird was frozen in the soaring position, its wings making a dihedral angle of 150.Langley Memoir on Mechanical Flight, Parts I and II|S. P. (Samuel Pierpont) Langley and Charles M. (Charles Matthews) Manly