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English definition of “tab”

tab

noun [C] uk   /tæb/ us  

tab noun [C] (SMALL OBJECT)

a small piece of paper, metal, etc. that is attached to something larger and is used for giving information, fastening, opening, etc.: Make a file for these documents and write "finance" on the tab. Insert Tab A into Slot A and glue, before standing the model upright. US (UK ringpull) the small piece of metal, often joined to a ring, that is pulled off or pushed into the top of a can (= metal drink container) to open it Northern English a cigarette (also tab of acid) informal a small piece of paper containing the drug LSD

tab noun [C] (COMPUTER)

a small symbol on a computer screen or website that allows you to open different documents or pages: Move between pages by clicking on the tabs at the top of the screen. a fixed position on a line of text that can be reached by pressing the tab key on a keyboard

tab noun [C] (BILL)

the tab informal the total money charged in a restaurant or hotel for food, drinks, etc.: He kindly offered to pick up the tab (= pay).
(Definition of tab from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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