1. builds or constructs something, especially by putting parts together in an upright position
2. sets up or establishes something

Examples

• The construction crew erects the steel framework first.
• The city erects a monument to honor fallen soldiers.
• She erects a tent in the backyard for camping.
• The company erects barriers around the construction site.
• The government erects new policies to protect the environment.
• Workers erect scaffolding before painting the building.
• The organization erects strict guidelines for membership.