|Origin:||canvass 'to throw up in the air from a canvas sheet as a game or punishment' (16-17 centuries), from canvas|
1 [intransitive and transitive]PGBB
to try to persuade people to support a political party, politician, plan etc by going to see them and talking to them, especially when you want them to vote for you in an election:
Candidates from all three parties were out canvassing in Darlington today.
Chapman spent the rest of May canvassing for votes.
The US has been canvassing support from other Asian states.
2 [intransitive and transitive]
to ask people about something in order to get their opinion or to get information:
Police canvassed the neighborhood, but didn't find any witnesses.
to talk about a problem, suggestion etc in detail:
A committee was set up to canvass the city's educational options.
—canvasser noun [countable]
—canvass noun [countable]