a canvas bag that is used to feed an animal (such as a horse or mule); animal feed such as oats are placed in the bag, and it is fastened at the top of the head, covering the muzzle. The animal may then eat the contents while thus wearing the feedbag. [WordNet 1.5]

air bag, bag, bag lady, bag net, bag of tricks, belt bag, bird feed, body bag, book bag, burlap bag, burn bag, carrier bag, chicken feed, clutch bag, corn gluten feed, creep feed, dime bag, ditty bag, doggie bag, doggy bag, douche bag, drawstring bag, drip feed, duffel bag, duffle bag, dust bag, evening bag, feed, feed back, feed bunk, feed grain, feed in, feed on, feed upon, force feed, game bag, garment bag, gladstone bag, golf bag, grab bag, grocery bag, hot-water bag, ice bag, in the bag, kit bag, let the cat out of the bag, line feed, mail bag, mixed bag, old bag, overnight bag, paper bag, paper feed, plastic bag, pressure feed, punch bag, punching bag, rosin bag, scum bag, shopping bag, shoulder bag, sick bag, sleeping bag, sponge bag, spoon feed, sweat bag, tea bag, telescope bag, toilet bag, tool bag, tote bag, traveling bag, vacuum bag