Definition of "Test" :
noun: the act of testing something
noun: the act of undergoing testing
"He survived the great test of battle."
noun: any standardized procedure for measuring sensitivity or memory or intelligence or aptitude or personality etc
"The test was standardized on a large sample of students."
noun: a hard outer covering as of some amoebas and sea urchins
noun: trying something to find out about it
noun: a set of questions or exercises evaluating skill or knowledge
"When the test was stolen the professor had to make a new set of questions."
verb: undergo a test
"She doesn't test well."
verb: examine someone's knowledge of something
"The teacher tests us every week."
verb: determine the presence or properties of (a substance)
verb: achieve a certain score or rating on a test
"She tested high on the LSAT and was admitted to all the good law schools."
verb: put to the test, as for its quality, or give experimental use to
"Test this recipe."
verb: test or examine for the presence of disease or infection
verb: show a certain characteristic when tested
"He tested positive for HIV."