glaze vs watch glass

glaze

noun
  • A transparent or semi-transparent layer of paint. 

  • A smooth coating of ice formed on objects due to the freezing of rain; glaze ice. 

  • A smooth edible coating applied to food. 

  • A glazing oven; glost oven. 

  • The vitreous coating of pottery or porcelain; anything used as a coating or color in glazing. See glaze (transitive verb). 

  • Broth reduced by boiling to a gelatinous paste, and spread thinly over braised dishes. 

verb
  • To apply a thin, transparent layer of coating. 

  • For eyes to take on an uninterested appearance. 

  • To become glazed or glassy. 

  • To install windows. 

watch glass

noun
  • The glass covering of the face of a watch. 

  • A sandglass. 

  • An item of glass laboratory equipment consisting of a simple, slightly concave circle of glass. It is a general utility item, used to hold small samples, to evaporate liquids, to cover a beaker, and so on. 

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