Meaning of “tab” in the English Dictionary

"tab" in English

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tabnoun [ C ]

uk /tæb/ us /tæb/

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 folder 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

(Definition of “tab” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"tab" in American English

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tabnoun [ C ]

us /tæb/

tab noun [ C ] (SMALL PIECE)

a small piece of material on a box, can, or container that is pulled to open it

A tab is also a small piece of paper or plastic attached to a paper or file so it can be found easily.

tab noun [ C ] (AMOUNT CHARGED)

an amount charged for a service or for a meal in a restaurant:

He offered to pick up the tab for lunch (= pay for it).

(Definition of “tab” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"tab" in Business English

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tabnoun [ C ]

uk /tæb/ us

a small piece of paper, metal, or cloth that is attached to the edge of something:

The metal tabs at one end are where the wires fasten.

IT, INTERNET a small symbol on a website that gives you information about the different pages you can open on that website:

Move between pages by clicking on the tabs at the top of the screen.

also tab stop IT a fixed position on a line of text that you are writing on a computer, etc. that can be reached by pressing the tab key

informal the amount of money that is charged for something:

The committee will reimburse the state $70,000 of the $105,000 tab for a recent trade mission to Ireland.
The tab to clean up the mess caused by the oil spill has already hit $9 million.
pick up the tab (for sth) The state picks up the health care tab for many low-income clients.
pay the tab (for sth) Pharmaceutical companies pay most of the tab for the trials.

a record of what you have ordered or used but not yet paid for, especially in a bar or restaurant:

put sth on the/your tab Just put it on the tab, please.
on sb's tab I ordered drinks for everyone, even though this was all going on my tab.
They were put up in hotels on the state's tab.

tabverb [ T, usually passive ]

uk /tæb/ us

to think or say that someone or something should have a particular job or use:

tab sb to do sth He was tabbed to restore glory and dignity to USA Basketball.
tab sb as sth The CEO unofficially tabbed him as his successor.
tab sb/sth for sth She was tabbed for a seat on the Board.

to put tabs on something:

tab sth with sth There was a stack of mail-order catalogues tabbed with sticky labels.

(Definition of “tab” from the Cambridge Business English Dictionary © Cambridge University Press)