tab - definition and synonyms

noun [countable] 

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  1. 1
    a small part of something that sticks out from the edge
    1. a.
      a part that sticks out of something and that you can pull in order to make something happen

      Pull the tab to open the cartridge.

    2. b.
      mainly American a ring-pull on a can of drink
  2. 2



    tab key

    computing a button on a computer keyboard or typewriter that you press to move several spaces along the same line
  3. 3
    a bill for the cost of a meal or for drinks that you have bought
    1. a.
      an amount that you owe, for example the cost of a hotel room, restaurant meals, and services
      put something on someone’s tab:

      Can you put these drinks on my tab?