Definition from Merriam-Webster:
1. noun
- a critical examination, observation, or evaluation :
- something that tries quality or resistance
- a means of testing: as
- a procedure, reaction, or reagent used to identify or characterize something
- something (as a series of questions or exercises) for measuring the skill, knowledge, intelligence, capacities, or aptitudes of an individual or group
- a result of or rating based on a test
2. verb
- to put to test or proof :
- to undergo a test
- to achieve or be assigned a rating on the basis of tests