Definitions
1.NounAn angle between two plane surfaces
2.NounThe upward slope of an aircraft's wing
3.NounThe angle between pairs of chemical bonds separated by a third bond
4.AdjectiveConsisting of, relating to or contained between two plane surfaces."dihedral angle"
5.AdjectiveHaving wings that form a dihedral angle, especially when the angle between the upper sides is less than 180°.
6.AdjectiveOf wing pairs, inclined at an upward angle to each other.