The middle class generate disposable income that can be used to save, purchase luxuries or invest in the future.
2. [sociology] A social rank.She was too classy for him and he knew it.
3. [education] A group of students who are taught together.The class was dreadfully boring.
4. [education] A course of instructionArt class was canceled for the term after the teacher fell ill.
5. [education] A body of students who graduate in the same year.The class of 2034 had plenty of job prospects.
6. [behavior, character trait] A person who is elegant but humble, sophisticated but kind, witty but polite.She was a class act.
7. [quality] A luxurious standard of quality.That hotel has class.
8. [quality] A quality grouping The economy class cabin was uncomfortable.
9. [science, math] A group of things that share a common attribute. Class O stars are the hottest and most massive.
10. [science, math] A set of numbers or entities. The class of real numbers.
11. [computing] A template that is used to construct objects.The design includes a Cost class that is the parent of the Expense class.