What is the meaning of fret?

noun

• Agitation resulting from active worry.
  • usage: "don't get in a stew"; "he's in a sweat about exams"
  • synonyms: stew, sweat, lather, swither
• A spot that has been worn away by abrasion or erosion.
  • synonyms: worn spot
• An ornamental pattern consisting of repeated vertical and horizontal lines (often in relief. )
  • usage: "there was a simple fret at the top of the walls"
  • synonyms: Greek fret, Greek key, key pattern
• A small bar of metal across the fingerboard of a musical instrument; when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch.

verb

• Worry unnecessarily or excessively.
  • usage: "don't fuss too much over the grandchildren-they are quite big now"
  • synonyms: fuss, niggle
• Be agitated or irritated.
  • usage: "don't fret over these small details"
• Provide (a musical instrument) with frets.
  • usage: "fret a guitar"
• Become or make sore by or as if by rubbing.
  • synonyms: chafe, gall
• Cause annoyance in.
• Gnaw into; make resentful or angry.
  • usage: "The injustice rankled her"; "his resentment festered"
  • synonyms: eat into, rankle, grate
• Carve a pattern into.
• Decorate with an interlaced design.
• Be too tight; rub or press.
  • usage: "This neckband is choking the cat"
  • synonyms: choke, gag
• Cause friction.
  • usage: "my sweater scratches"
  • synonyms: rub, fray, chafe, scratch
• Remove soil or rock.
  • usage: "Rain eroded the terraces"
  • synonyms: erode, eat away
• Wear away or erode.
  • synonyms: eat away