Yes, maps is a Scrabble word!

Verb

1. Make a map of; show or establish the features of details of

2. Explore or survey for the purpose of making a map

3. Locate within a specific region of a chromosome in relation to known DNA or gene sequences

4. Plan, delineate, or arrange in detail

5. Depict as if on a map

6. To establish a mapping (of mathematical elements or sets)

Noun

1. A diagrammatic representation of the earth's surface (or part of it)

2. (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)