mass noun(pl. canvases 或canvasses)
1- a strong, coarse unbleached cloth made from hemp, flax, or a similar yarn, used to make items such as sails and tents and as a surface for oil painting帆布; 油画布：
as modifier a canvas bag.一个帆布袋。
1.1
- count noun a piece of such cloth prepared for use as the surface for an oil painting油画布。
1.2
- count noun an oil painting油画：
Turner's late canvases.
特纳的晚期油画。
1.3
- a variety of canvas with an open weave, used as a basis for tapestry and embroidery（用作挂毯或刺绣底料的）网形粗布, 十字布。
1.4
the canvas
the floor of a boxing or wrestling ring, having a canvas covering（铺帆布的）拳击台地面; 摔跤场地面。
1.5
- count noun either of a racing boat's tapering ends, originally covered with canvas（原为用帆布遮盖的）赛艇尖端。
(canvassed, canvassing; <美> canvased, canvassing) with obj.(一般作be canvassed)
- cover with canvas用帆布覆盖：
the door had been canvassed over.
门被盖上帆布。
短语
by a canvas
- (in boat racing) by a small margin（赛艇比赛中）以毫厘之差：
- ORIGIN: referring to the tapered front end of a racing boat (see above).
under canvas
1
- in a tent or tents在帐篷里：
the family will be living under canvas.
全家将住在帐篷里。
2
- with sails spread扬着帆, 扯满帆。
词源
late Middle English: from Old Northern French canevas, based on Latin cannabis 'hemp'， from Greek.