Definitions for "Anhedral"
Keywords:  dihedral, downward, wing, inclined, tip
Downward wing inclination from root to tip
The downward inclination of an aircraft wing from true horizontal. Most airplanes have "dihedral".
The downward slope of the wings as viewed from the front
A mineral grain with no crystal form at all.
(an-hé-dral) Said of a mineral crystal showing no rational faces, or of a detrital grain that shows no crystal outline.
Lacking well-developed crystal form.