1. present participle of canvass: going through an area asking people for votes, opinions, or support
Usage: political contexts; present participle form
2. present participle of canvass: examining or discussing something thoroughly
Usage: formal; present participle form

Examples

• The volunteers are canvasing the neighborhood for the upcoming election.
• She spent the morning canvasing door-to-door for signatures.
• The team is canvasing potential customers about the new product.
• They are canvasing various options before making a decision.
• The researchers are canvasing all available data sources.
• Campaign workers are canvasing swing districts this week.