essay
essay (ensayo)
a piece of writing of several paragraphs that explains and supports one main idea or thesis.
Example
Her essay had an introduction, three body paragraphs and a conclusion. (The usual parts of an essay.)
In Spanish
essay (ensayo) — un escrito de varios párrafos que explica y apoya una idea principal o tesis.
Her essay had an introduction, three body paragraphs and a conclusion. (Las partes habituales de un ensayo.)