Definition of "Fret" :
noun: 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
noun: an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
"There was a simple fret at the top of the walls."
noun: a spot that has been worn away by abrasion or erosion
noun: agitation resulting from active worry
verb: wear away or erode
verb: remove soil or rock
verb: cause friction
verb: be too tight; rub or press
verb: decorate with an interlaced design
verb: carve a pattern into
verb: be agitated or irritated
"Don't fret over these small details."
verb: gnaw into; make resentful or angry
verb: cause annoyance in
verb: worry unnecessarily or excessively
verb: become or make sore by or as if by rubbing
verb: provide (a musical instrument) with frets
"Fret a guitar."