bin liner 
noun British
A plastic bag used for lining a rubbish bin.The pair of pistols were sealed inside a plastic lunchbox with a green lid, bundled up in plastic bags and a bin liner....
- Wear protective gloves and seal the carcass in a plastic bin liner, double-bag it and put it in a covered dustbin.
- A bin liner and a rucksack were used to conceal the removal from his flat of the rifle and a baseball bat.
- undertaking
- undertenancy
- undertenant
- under the auspices of
- under the banner of
- under the baton of
- under the cosh
- under the counter (or table)
- under the gun
- under (the) hatches
- under the heel of
- under the impression that
- under the influence
- under the microscope
- under the name (of)
- under the open sky
- under the pump
- under the rose
- under the skin
- under the sod
- under the sun
- under the table
- under the weather
- under the wire
- underthings