subdivision /ˈsʌbdɪvɪʒən/noun 5verb 1forms 3 noun5 •A division into smaller pieces of something that has already been divided. •A parcel of land that has been divided into lots. •A group of houses created by the same builder or in the same general area.They're putting in a new subdivision out past Black Ranch Road. •(Philippines) A gated community located within a barangay. •Such a piece that has been divided.Work on one subdivision at a time. verb1 •To separate something into smaller pieces. formssubdivisioned · subdivisioning · subdivisions