backslash vs shingle

backslash

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).}} 

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

shingle

noun
  • A punitive strap such as a belt. 

  • A rectangular piece of steel obtained by means of a shingling process involving hammering of puddled steel. 

  • A small, thin piece of building material, often with one end thicker than the other, for laying in overlapping rows as a covering for the roof or sides of a building. 

  • Any paddle used for corporal punishment. 

  • A small signboard designating a professional office; this may be both a physical signboard or a metaphoric term for a small production company (a production shingle). 

  • Small, smooth pebbles, as found on a beach. 

verb
  • To hammer and squeeze material in order to expel cinder and impurities from it, as in metallurgy. 

  • To increase the storage density of (a hard disk) by writing tracks that partially overlap. 

  • To cut, as hair, so that the ends are evenly exposed all over the head, like shingles on a roof. 

  • To cover with small, thin pieces of building material, with shingles. 

  • To beat with a shingle. 

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