verb
present participle and gerund of match
adjective
The same as another; sharing the same design.
That constitutes part of a pair with something else; complementary.
noun
The process by which things are matched together or paired up.
(graph theory) A set of independent edges in a given graph, i.e. a set of edges which do not intersect, such that pairs of vertices are "matched" to each other one to one.