What is the meaning of cut off?

verb

• Make a break in.
  • usage: "We interrupt the program for the following messages"
  • synonyms: interrupt, disrupt, break up
• Cease, stop.
  • usage: "cut the noise"; "We had to cut short the conversation"
  • synonyms: cut
• Remove by or as if by cutting.
  • usage: "cut off the ear"; "lop off the dead branch"
  • synonyms: chop off, lop off
• Cut off and stop.
  • usage: "The bicyclist was cut out by the van"
  • synonyms: cut out
• Break a small piece off from.
  • usage: "chip the glass"; "chip a tooth"
  • synonyms: chip, knap, break off
• Remove surgically.
  • usage: "amputate limbs"
  • synonyms: amputate

adjective

• Detached by cutting.
  • usage: "cut flowers"; "a severed head"; "an old tale of Anne Bolyn walking the castle walls with her poor cut-off head under her arm"
  • synonyms: severed