architectar·chi·tect /ˈɑːkətektˈɑːr-/ noun [countableC]1JOBPROPERTYa person whose job is to plan and design buildingsThe mill was built in 1872 to the design of an architect.
2the architect of something the person who originally thought of an important idea or who made an important event happenMr Levin was the principal architect of the merger.