Meaning of “project” - Learner’s Dictionary

project

noun [ C ] uk us /ˈprɒdʒekt/
WORK

B2 a carefully planned piece of work that has a particular purpose:

a research project
The new building project will cost $45 million.
My next project will be to paint the bedrooms.
SCHOOL WORK

A2 a piece of school work that involves detailed study of a subject:

We're doing a class project on the environment.

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