Definition from Wiktionary, the free dictionary
- At one's workplace.
- He's not at home at the moment: he's at work.
- They've got a new photocopier at work.
- (Can we verify(+) this sense?) During customary work time.
- Don't call me at work.
- (idiomatic) Working, in the process of doing work.
- Don't interrupt me while I'm at work on my housing project.
in the process of doing work