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The Collaborative International Dictionary of English v.0.48 (gcide)

mapping \mapping\ n. (Math.)
A function such that for every element of one set there is a
unique element of another set.

Syn: map, correspondence.
[WordNet 1.5]


Map \Map\, v. t. [imp. & p. p. {Mapped}; p. pr. & vb. n.
{Mapping}.]
To represent by a map; -- often with out; as, to survey and
map, or map out, a county. Hence, figuratively: To represent
or indicate systematically and clearly; to sketch; to plan;
as, to map, or map out, a journey; to map out business.
[1913 Webster]

I am near to the place where they should meet, if
Pisanio have mapped it truly. --Shak.
[1913 Webster]