1) A strong, unbleached cloth made of hemp or flax, a hard-wearing material.
It was used as a lining, for screens, bed clothing and certain garments: 1359 et unum alium coverlet stragulatum et unum canevace, York
1380 unum matras melius et unum canevace, Durham
1395 It. pro xxvj ulnis canaby emptis pro pacclathis [pack cloths] xijs iijd, Whitby
1427 j canvas, j pilwer, j selour, Ripon
1531 my blak frees coit and a canvesse dublett, West Cottingwith.