Link"age (?), n.
1.
The act of linking; the state of being linked; also, a system of links.
2. Chem.
Manner of linking or of being linked; -- said of the union of atoms or radicals in the molecule.
3. Geom.
A system of straight lines or bars, fastened together by joins, and having certain of their points fixed in a plane. It is used to describe straight lines and curves in the plane.
© Webster 1913.