The phrase "a canvas over" is not correct and does not convey a clear meaning in written English.
It may be intended to describe something being placed over a canvas, but without additional context, it is ambiguous.
Example: "She laid a canvas over the table to protect it while she painted."
Alternatives: "a cover over" or "a sheet over".
On a canvas over eight feet tall, "The Sweet William Rorex Jr".
"I think they're going to stretch a canvas over the top of it," he said.
"I remember walking through rubble to get to the church, where we were married with a canvas over us".
Each is a greatly enlarged representation of an ordinary object, painted with dry verisimilitude: a grainy, blue printed cash register receipt, for example, fills a canvas over seven feet tall.
In an adjoining room, his "PMU (Painting Manufacture Unit)" shoots gallons of white paint at a canvas over a month's time, fabricating industrial-strength abstractions as artificially made as his synthetic mushrooms are meticulously handmade.
Each hazy beach-dub track is a canvas over which Perry mumbles to himself of Jah-ly matters, freestyles blessings on to the front row, orders champagne and repeatedly shouts "Ping pong!" or "Crash!" at his grizzled band, as if he wants to improvise a number about a table tennis meteorite disaster.
In the years before Open tennis, the best amateur players lived well traveling the world and pocketing under-the-table "expenses," but they didn't make real money unless they joined Jack Kramer's pro tour, a grueling series of one-night stands on a canvas court over several months in cities all over the country.
Without a car, she trudges home from the bus stop with frozen turkey legs in a canvas bag over one shoulder.
Mr. Cordova told officials that shortly after putting Rayna to sleep, he returned to find her with a canvas bag over her head.
"My dad built me a mound in the backyard with a canvas backdrop over our horseshoe pits, and I would go back there and just throw and throw and throw until I developed it, and it became my curveball.
His first 11 years were spent in solitary confinement in a tiny cell, with a canvas cover over the window to shut out the tiniest glimpse of grass or trees.
