Noun

1. (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)
2. (genetics) the process of locating genes on a chromosome

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)