What is the meaning of graver?

noun

• A tool used by an engraver.
  • synonyms: graving tool, pointel, pointrel

adjective

• Dignified and somber in manner or character and committed to keeping promises.
  • usage: "a grave God-fearing man"; "a quiet sedate nature"; "as sober as a judge"; "a solemn promise"; "the judge was solemn as he pronounced sentence"
  • synonyms: grave, sedate, sober, solemn
• Causing fear or anxiety by threatening great harm.
  • usage: "a dangerous operation"; "a grave situation"; "a grave illness"; "grievous bodily harm"; "a serious wound"; "a serious turn of events"; "a severe case of pneumonia"; "a life-threatening disease"
  • synonyms: dangerous, grave, grievous, serious, severe, life-threatening
• Of great gravity or crucial import; requiring serious thought.
  • usage: "grave responsibilities"; "faced a grave decision in a time of crisis"; "a grievous fault"; "heavy matters of state"; "the weighty matters to be discussed at the peace conference"
  • synonyms: grave, grievous, heavy, weighty