/'kænvəs; `kænvəs/
n
1 [U] strong coarse cloth used for making tents, sails, etc and by artists for painting on 帆布; 画布
*[attrib 作定语] a canvas bag 帆布袋.
2 [C]
(a) piece of canvas for painting on 画布.
(b) oil-painting 油画
*Turner's canvases 特纳的油画.
3 (idm 习语) under canvas
(a) (of soldiers, campers, etc) living in tents （指士兵、露营者等）在帐篷里居住
*sleep under canvas 在帐篷里睡觉.
(b) (of a ship) with sails spread （指船）张帆.

n
[Date: 1300-1400; Language: Old North French;Origin: canevas, from Latin cannabis 'hemp']
[U]
strong cloth used to make bags, tents, shoes etc
　a canvas bag
canvas, easel
[C]
a painting done with oil paints, or the piece of cloth it is painted on
　The gallery has a canvas by Paul Cézanne.
　'Four Women on a Bench', oil on canvas , 1991
a broader/wider/larger canvas
the whole of a situation, and not just a part of it
　These questions must be considered on a broader canvas.
under canvas
BrE in a tent