n.
   - a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.
 - a diagram or collection of data showing the spatial arrangement or distribution of something over an area.
 - Biology  a representation of the sequence of genes on a chromosome or of bases in a DNA or RNA molecule.
 
v.
 (maps, mapping, mapped)
   - represent or record on or in a map.
 - 
(map something out)
 plan a route or course of action in detail.
 - chiefly Mathematics  associate each element of (a set) with an element of another set. 
▸
(map on to)
 be associated with or linked to.
 
 
  Phrase
  
    - off the map
 (of a place) very distant or remote.  - put something on the map
 bring something to prominence.  - wipe something off the map
 obliterate something totally. 
   
  Derivative
  
    - mapless adj.
  - mappable adj.
  - mapper n.
  - mapping n.
 
   
  Etymology
  C16: from med. L. mappa mundi, lit. ‘sheet of the world’, from L. mappa ‘sheet, napkin’.