map
n.

1. 1. A representation, usually on a plane surface, of a region of the earth or heavens.
   2. Something that suggests such a representation, as in clarity of representation.
   
   
2. Mathematics. The correspondence of one or more elements in one set to one or more elements in the same set or another set.
3. Slang. The human face.
4. Genetics. A genetic map.

v. tr. mapped, map·ping, maps.

1. 1. To make a map of.
   2. To depict as if on a map: Grief was mapped on his face.
   
   
2. To explore or make a survey of (a region) for the purpose of making a map.
3. To plan or delineate, especially in detail; arrange: mapping out her future.
4. Genetics. To locate (a gene or DNA sequence) in a specific region of a chromosome in relation to known genes or DNA sequences.
5. Mathematics. To establish a mapping of (an element or a set).

source: American Heritage Dictionary