overhang vs sprocket

overhang

noun
  • That portion of the roof structure that extends beyond the exterior walls of a building. 

  • A fatty roll of pubis flab that hangs over one's genitals; a FUPA. 

  • The volume that tips the balance between the demand and the supply toward demand lagging supply. 

  • Anything that overhangs or protrudes over its base, such as a wave immediately before breaking, or a protruding cliff or rock wall. 

verb
  • To hang over (something). 

  • To impend. 

sprocket

noun
  • A flared extension at the base of a sloped roof. 

  • A toothed wheel that enmeshes with a chain or other perforated band. 

  • The tooth of such a wheel. 

  • A placeholder name for an unnamed, unspecified, or hypothetical manufactured good or product. 

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