/ dɪˈveləpə(r); NAmE / noun
1.
[ C ] a person or company that buys land or buildings in order to build new houses, shops / stores, etc., or to improve the old ones, and makes a profit from doing this :
property developers
2.
[ C ] a person or a company that designs and creates new products :
a software developer
3.
[ U ] a chemical substance that is used for developing photographs from a film