backslash vs slat

backslash

verb
  • To escape (a metacharacter) by prepending a backslash that serves as an escape character, thereby forming an escape sequence. 

noun
  • The punctuation mark \. 

  • Used erroneously in reference to, or in reading out, the ordinary slash, that is, the punctuation mark /. 

  • |passage= […] I was trying to find a web-site for which I had been given the following address: http://www.isop.ucla.edu/pacrim/pubs/korjournal.htm. […] I began to work backwards, removing first the last part of the address following the last backslash (/korjournal.htm).}} 

slat

verb
  • To split; to crack. 

  • To set on; to incite. 

  • To construct or provide with slats. 

  • To slap; to strike; to beat; to throw down violently. 

noun
  • A ski. 

  • A thin, narrow strip or bar of wood (lath), metal, or plastic. 

  • A control surface that extends forwards and downwards from the leading edge of a wing, leaving a gap between it and the leading edge, in order to modify the airflow around the wing so as to allow flight at a higher angle of attack without stalling, lowering the aircraft's stall speed. 

  • A thin piece of stone; a slate. 

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