catflap.org Online Dictionary Query

  tapered out /tˈeɪpəd ˈaʊt/
  ausgedünnt, ausgekeilt, dünner geworden
     Synonyms: wedged out, thinned away, thinned out, edged away, pinched out, died away, ended off
  
   see: wedge out, thin away, thin out, taper out, edge away, pinch out, die away, end off, wedging out, thinning away, thinning out, tapering out, edging away, pinching out, dying away, ending off