Meaning of “sample” - Learner’s Dictionary

sample

noun [ C ] uk us /ˈsɑːmpl/
SHOW

B2 a small amount of something that shows you what it is like:

a free sample of chocolate
She brought in some samples of her work.
EXAMINE

a small amount of a substance that a doctor or scientist collects in order to examine it:

a blood/urine sample
NUMBER

B2 a small number of people from a larger group that is being tested:

a sample of 500 male drivers

(Definition of “sample noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)