- having or formed by two intersecting plane faces: a dihedral angle
- having wings that form a dihedral angle with each other, as some airplanes
- being inclined to each other at a dihedral angle: said of airplane wing pairs
Origin of dihedral; from di- + Classical Greek hedra, a seat, base + -al
- a dihedral angle
- the acute angle, normally upward, between the wings of certain airplanes, designed to improve lateral stability
- Formed by or having two plane faces; two-sided.
- Relating to, having, or forming a dihedral angle.
- Mathematics a. A dihedral angle.b. A dihedral group.
- Aeronautics The upward or downward inclination of an aircraft wing from true horizontal.
- (mathematics) Consisting of, relating to or contained between two plane surfaces.
- dihedral angle
di- + -hedral