The Collaborative International Dictionary of English v.0.48:

Map \Map\ (m[a^]p), n. [From F. mappe, in mappemonde map of the
   world, fr. L. mappa napkin, signal cloth; -- a Punic word.
   Cf. Apron, Napkin, Nappe.]
   1. A representation of the surface of the earth, or of some
      portion of it, showing the relative position of the parts
      represented; -- usually on a flat surface. Also, such a
      representation of the celestial sphere, or of some part of
      it.
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   Note: There are five principal kinds of projection used in
         making maps: the orthographic, the stereographic, the
         globuar, the conical, and the cylindrical, or
         Mercator's projection. See Projection.
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   2. Anything which represents graphically a succession of
      events, states, or acts; as, an historical map.
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            Thus is his cheek the map of days outworn. --Shak.
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   Map lichen (Bot.), a lichen (Lecidea geographica.)
      growing on stones in curious maplike figures. --Dr. Prior.
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