What is the meaning of grasp?

noun

• Understanding of the nature or meaning or quality or magnitude of something.
  • usage: "he has a good grasp of accounting practices"
  • synonyms: appreciation, hold
• The limit of capability.
  • usage: "within the compass of education"
  • synonyms: compass, range, reach
• An intellectual hold or understanding.
  • usage: "a good grip on French history"; "they kept a firm grip on the two top priorities"; "he was in the grip of a powerful emotion"; "a terrible power had her in its grasp"
  • synonyms: grip
• The act of grasping.
  • usage: "he released his clasp on my arm"; "he has a strong grip for an old man"; "she kept a firm hold on the railing"
  • synonyms: clasp, clench, clutch, clutches, grip, hold

verb

• Hold firmly.
  • synonyms: hold on
• Get the meaning of something.
  • usage: "Do you comprehend the meaning of this letter"
  • synonyms: grok, get the picture, comprehend, savvy, dig, compass, apprehend