'Linkage' definitions:

Definition of 'linkage'

(from WordNet)
noun
An associative relation
noun
(genetics) traits that tend to be inherited together as a consequence of an association between their genes; all of the genes of a given chromosome are linked (where one goes they all go) [syn: linkage, gene linkage]
noun
A mechanical system of rods or springs or pivots that transmits power or motion
noun
The act of linking things together

Definition of 'Linkage'

From: GCIDE
  • Linkage \Link"age\ (l[i^][ng]k"[asl]j; 48), n.
  • 1. The act of linking; the state of being linked; also, a system of links. [1913 Webster]
  • 2. (Chem.) Manner of linking or of being linked; -- said of the union of atoms or radicals in the molecule. [1913 Webster]
  • 3. (Geom.) A system of straight lines or bars, fastened together by joints, and having certain of their points fixed in a plane. It is used to describe straight lines and curves in the plane. [1913 Webster]
  • 4. Any object, factor, or relationship that creates a bond or association between two other objects. [PJC]
  • 5. Specifically: (Genetics) The proximity of two or more genes on the genome of an organism that causes those genes to be inherited, transferred, or moved together with a frequency greater than for genes not associated. The linkage is a continuous variable, and is inversely related to the distance between genes on the genome. [PJC]