1. noun /wɜːk,wɔk,wɝk/
My work involves a lot of travel.
b) The place where one is employed.
He hasn’t come home yet, he’s still at work.
2. verb /wɜːk,wɔk,wɝk/
He’s working in a bar.
b) Followed by in. Said of ones workplace (building), or ones department, or ones trade (sphere of business).
He worked his way through the crowd.
Wikipedia foundation.