The rim of the visible disk of a celestial body as seen from Earth. A body’s leading edge as it moves across the sky is the preceding limb, while the trailing edge is the following limb. The edges of the Moon’s visible face are known as the limb regions.
Electronics and Electrical Engineering
Seetransformer.
Biology
1. An appendage of a vertebrate animal, such as the leg or arm of a mammal or the wing of a bird. See alsopentadactyl limb.
2. The expanded upper part of a sepal, petal, or leaf.
3. The widened upper section of a gamopetalous corolla.