fluting vs transverse flute

fluting

noun
  • A flute-like sound. 

  • The act of making such grooves. 

  • A decoration consisting of parallel, normally vertical, flutes (grooves) incised into the surface. 

  • A fluted pleat; a small, rounded or pressed pleat used as trimming on a garment. 

adj
  • Making a sound like a flute. 

transverse flute

noun
  • Any type of flute that is held sideways when played. 

How often have the words fluting and transverse flute occurred in a corpus of books? (source: Google Ngram Viewer )