Qué es canvass? Qué es canvass? To examine carefully or discuss thoroughly; scrutinize: "The evidence had been repeatedly canvassed in American courts” ( Anthony Lewis). To go through (a region) or go to (persons) to solicit votes or orders.To conduct a survey of (public opinion); poll. To make a thorough examination or conduct a detailed discussion.To solicit voters, orders, or opinions.An examination or discussion.A solicitation of votes or orders.A survey of public opinion.