From Longman Dictionary of Contemporary Englishshave something ↔ off phrasal verb1 CUTto remove hair by shaving I’ve decided to shave off my beard.2 (also shave something off something)CUT 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)REDUCE 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. → shave→ See Verb table
Examples from the Corpus
shave off• He said it was good enough for other companies and that he wouldn't shave it off.• Soon it was just clumps and permanently itchy so I asked them to shave it off.• Often he would shave it off, but the next day he would have a beard just the same.• Lomb said the charge will shave 30 cents off earnings for the latest quarter.• My brother-in-law shaved a bit more off for me and I like it.• Lomb said the charge will shave 30 cents off per - share earnings in the quarter.• And that has to be good news for backpackers keen to shave pounds off the weight in their rucksacks.• Shape-Up will shave 25 % off your membership through March 31. 