opener (device that opens something); bottle opener (device to open bottles); can opener/can-opener, (US, CA) can opener/can-opener, (UK, AU) tin opener/tin-opener (device to open tin cans)
to open, open up; to unlock; to turn on; to start, open, open up, set up (a business, restaurant, etc.); to crack, crack open, to pop (e.g., a safe, a bottle, a coconut)