The noun analysis has 6 senses (first 3 from tagged texts)
1. (47) analysis -- (an investigation of the component parts of a whole and their relations in making up the whole)
2. (5) analysis, analytic thinking -- (the abstract separation of a whole into its constituent parts in order to study the parts and their relations)
3. (2) analysis -- (a form of literary criticism in which the structure of a piece of writing is analyzed)
4. analysis -- (the use of closed-class words instead of inflections: e.g., `the father of the bride' instead of `the bride's father')
5. analysis -- (a branch of mathematics involving calculus and the theory of limits; sequences and series and integration and differentiation)
6. psychoanalysis, analysis, depth psychology -- (a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud; "his physician recommended psychoanalysis")