tie tack tie tack /ˈtaɪ tæk/

noun

1. A pin used to hold the tie in place  ( scarfpin , tie tack , tiepin )
   a pin used to hold the tie in place
    The tiepin was a popular men's accessory in the 19th century, and it's making a comeback in modern fashion
   The tiepin was a popular men's accessory in the 19th century, and it's making a comeback in modern fashion
   
   

 Auriga Auriga /ɔːˈraɪgə/

noun

1. A conspicuous constellation in the Northern Hemisphere; between Great Bear and Orion at edge of Milky Way  ( Auriga , Charioteer )
   a conspicuous constellation in the Northern Hemisphere; between Great Bear and Orion at edge of Milky Way
   
   

 pressure-feed lubricating system pressure-feed lubricating system /ˈprɛʃər fid luːˈbrɪkeɪtɪŋ ˈsɪstəm/

noun

1. Mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings  ( force feed , force-feed lubricating system , lubricating system , pressure feed , pressure-feed lubricating system )
   mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings
   
   

 fret fret /ˈfrɛt/

noun

1. 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  ( fret )
   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
    The guitarist moved his fingers quickly along the frets to create a beautiful melody
   The guitarist moved his fingers quickly along the frets to create a beautiful melody
   
   
2. An ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)  ( fret , Greek fret , Greek key , key pattern )
   an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
    There was a simple fret at the top of the walls
   there was a simple fret at the top of the walls
   
   
3. A spot that has been worn away by abrasion or erosion  ( fret , worn spot )
   a spot that has been worn away by abrasion or erosion
   
4. Agitation resulting from active worry  ( fret , lather , stew [Informal] , sweat [Informal] , swither [Dialect, UK] )
   agitation resulting from active worry
    Don't get in a stew
   don't get in a stew
    He's in a sweat about exams
   he's in a sweat about exams
   

verb

1. () Worry unnecessarily or excessively  ( niggle , fret , fuss )
   worry unnecessarily or excessively
    Don't fuss too much over the grandchildren--they are quite big now
   don't fuss too much over the grandchildren--they are quite big now
   
2. () Be agitated or irritated  ( fret )
   be agitated or irritated
    Don't fret over these small details
   don't fret over these small details
   
3. Wear away or erode  ( eat away , fret )
   wear away or erode
   
4. Remove soil or rock  ( eat away , fret , erode )
   remove soil or rock
    Rain eroded the terraces
   Rain eroded the terraces
   
5. Cause friction  ( chafe , fray , fret , rub , scratch )
   cause friction
    My sweater scratches
   my sweater scratches
   
6. Be too tight; rub or press  ( fret , gag , choke )
   be too tight; rub or press
    This neckband is choking the cat
   This neckband is choking the cat
   
7. Decorate with an interlaced design  ( fret )
   decorate with an interlaced design
   
8. (handicraft) carve a pattern into  ( fret )
   (handicraft) carve a pattern into
   
9. Gnaw into; make resentful or angry  ( eat into , fret , grate , rankle )
   gnaw into; make resentful or angry
    The injustice rankled her
   The injustice rankled her
    His resentment festered
   his resentment festered
   
10. Cause annoyance in  ( fret )
    cause annoyance in
    
11. Become or make sore by or as if by rubbing  ( fret , gall , chafe )
    become or make sore by or as if by rubbing
    
12. Provide (a musical instrument) with frets  ( fret )
    provide (a musical instrument) with frets
     Fret a guitar
    fret a guitar