Possible Clues:

• Waste material, high percentage
• Piece of material left over
• Material left over
• Remnant of force initially given order to stop shooting
• Remnant of material
• Odd bit of canal that's turned?
• It's what's left as holiday is reduced
• Right-hander's shot to the right, a bit left!
• Unwanted remnant
• Bit sliced away from a large piece