Wiktionary canvasses alt. 1 (plural of canvas English) (UK spelling) 2 (plural of canvass English) n. 1 (plural of canvas English) (UK spelling) 2 (plural of canvass English) vb. 1 (en-third-person singular of: canvas) 2 (en-third-person singular of: canvass) Usage examples of "canvasses". The canvasses of Chinatown and the surrounding areas had come up zero, one more time.