American English

Definition of glass noun from the Oxford Advanced American Dictionary

      

    glass

     noun
    noun
    NAmE//ɡlæs//
     
     
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    transparent substance
  1. 1 [uncountable] a hard, usually transparent, substance used, for example, for making windows and bottles a sheet/pane of glass frosted/tinted glass a glass bottle/dish/roof I cut myself on a piece of broken glass. The vegetables are grown under glass (= in a greenhouse ). see also cut glass, plate glass, stained glass, glazier
  2. for drinking
  3. 2[countable] (often in compounds) a container, usually made of glass, used for drinking out of a water glass a wine glass Do you have a plastic glass for the little girl?
  4. 3[countable] the contents of a glass a glass of juice/wine/water, etc. He drank three whole glasses.
  5. glass objects
  6. 4 [uncountable] objects made of glass We keep all our glass and china in this cabinet. She has a fine collection of Bohemian glass.
  7. on watch/picture
  8. 5[singular] a protecting cover made of glass on a watch, picture or photograph frame, fire alarm, etc. In case of emergency, break the glass and press the button.
  9. for eyes
  10. 6glasses (also eyeglasses, old-fashioned spectacles) [plural] two lenses in a frame that rests on the nose and ears. People wear glasses in order to be able to see better or to protect their eyes from bright light a pair of glasses dark glasses I wear glasses for driving. see also magnifying glass, sunglasses
  11. Idioms
    people (who live) in glass houses shouldn't throw stones (saying)
     
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    you should not criticize other people, because they will easily find ways of criticizing you
    raise your glass (to somebody)
     
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    to hold up your glass and wish someone happiness, good luck, etc. before you drink
See the Oxford Advanced Learner's Dictionary entry: glass