e/Lens (geometry)

Information
has gloss	eng: In geometry, a lens is a convex shape comprising two circular arcs, joined at their endpoints. If the arcs have equal radii, it is called a symmetric lens. The corresponding concave shape is the lune. The Vesica piscis is one form of a symmetrical lens; the term is also used for lenses generally.
lexicalization	eng: lens
instance of	(noun) the spatial arrangement of something as distinct from its substance; "geometry is the mathematical science of shape" form, shape

Media
media:img	Geometric lens.gif