shave something ↔ off phrasal verb ( see also ↑ shave )
1 . to remove hair by shaving:
I’ve decided to shave off my beard.
2 . ( also shave something off something ) to remove very thin pieces from the surface of something, using a knife or other cutting tool:
I had to shave a few millimetres off the bottom of the door to make it shut.
3 . ( also shave something off something ) if you shave a small amount off something such as a price or a record, you make the price slightly smaller or the record time slightly shorter:
She shaved half a second off the world record.