Meaning of “essay” - Learner’s Dictionary

essay

noun [ C ] us uk /ˈeseɪ/
Have you handed your history essay in yet?There's a few spelling mistakes in your essay.I got an A minus for my last essay.I read over my essay to check for mistakes.I had to rewrite my essay.

B1 a short piece of writing about a particular subject, especially one written by a student:

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