1. building or constructing something, especially a structure that stands upright
Usage: present participle of ‘erect’
2. setting up or establishing something
Usage: present participle of ‘erect’

Examples

• The construction crew is erecting a new office building downtown.
• They are erecting scaffolding around the monument for repairs.
• The workers spent all morning erecting the stage for the concert.
• The city is erecting barriers along the parade route.
• Volunteers are erecting tents at the campsite.
• The company is erecting a fence around the construction site.