cellar vs cellar door

cellar

noun
  • A wine collection, especially when stored in a cellar. 

  • A small dish for holding salt. 

  • Last place in a league or competition. 

  • salt cellar 

  • A basement. 

  • An enclosed underground space, often under a building, used for storage or shelter. 

verb
  • To store in a cellar. 

cellar door

noun
  • Part of a winery from which wine may be sampled or purchased. 

  • In phonaesthetics, a quintessential example of an inherently pleasant-sounding phrase irrespective of its meaning. 

  • A door leading to a cellar. 

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