angle grinder vs twirl

angle grinder

noun
  • A usually hand-held grinder which uses a pair of internal gears to place the rotational axis of the grinding or cutting wheel perpendicular to that of the driving motor. 

twirl

noun
  • Any rotating movement; a spin. 

  • A little twist of some substance; a swirl. 

  • A movement where a person spins round elegantly; a pirouette. 

  • A prison guard. 

verb
  • To twist round. 

  • To pitch. 

  • To rotate rapidly. 

  • To perform a twirl. 

How often have the words angle grinder and twirl occurred in a corpus of books? (source: Google Ngram Viewer )