can opener(n = noun.artifact) tin opener - a device for cutting cans open;
is a kind of opener
has particulars: church key

aerosol can, ash can, beer can, bottle opener, can, can buoy, can hook, can of worms, cap opener, carry-the can, coffee can, eye opener, garbage can, letter opener, milk can, opener, soda can, spray can, tin can, tin opener, trash can, water can, watering can