tab

1 of 2

noun

often attributive
1
a
: a short projecting device: such as
(1)
: a small flap or loop by which something may be grasped or pulled
(2)
: a projection from a card used as an aid in filing
b
: a small insert, addition, or remnant
c
: appendage, extension
especially : one of a series of small pendants forming a decorative border or edge of a garment
d
: a small auxiliary airfoil hinged to a control surface (such as a trailing edge) to help stabilize an airplane in flight see airplane illustration
2
[partly short for table entry 1; partly from sense 1]
a
: close surveillance : watch
keep tabs on trends
b
: a creditor's statement : bill, check
c
: cost
the tab for the new program
3
[short for tabulator] : a key on a keyboard that indents text by a preset amount
4
[by shortening]
a
: tablet
b

tab

2 of 2

verb

tabbed; tabbing

transitive verb

1
: to furnish or ornament with tabs
2
: to single out : designate
3

Examples of tab in a Sentence

Noun Insert the tab into this slot to close the box. a notebook with index tabs The tab on the zipper is broken. He ran up a $200 bar tab. He put the drinks on his tab. Verb After you type your name in the first box, you can move to the next box by tabbing.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The first tab controls Privacy Shield and Phishing Shield, with toggles to turn those features on and off. PCMAG, 4 Mar. 2025 In a paper posted online last month, Nalini Anantharaman (opens a new tab) of the Collège de France and Laura Monk (opens a new tab) of the University of Bristol have built on Mirzakhani’s research to prove a sweeping statement about typical hyperbolic surfaces (opens a new tab). Joseph Howlett, Quanta Magazine, 3 Mar. 2025
Verb
Bonus tip: Learn how to stop tab overload by following these steps. Kurt Knutsson, Cyberguy Report, Fox News, 25 Feb. 2025 Both Southern California teams were tabbed as unrealistic. Katie Woo, The Athletic, 21 Feb. 2025 See All Example Sentences for tab

Word History

Etymology

Noun

origin unknown

First Known Use

Noun

1607, in the meaning defined at sense 1a

Verb

1872, in the meaning defined at sense 1

Time Traveler
The first known use of tab was in 1607

Browse Nearby Words

Cite this Entry

“Tab.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tab. Accessed 10 Mar. 2025.

Kids Definition

tab

1 of 2 noun
1
a
: a short flap or tag used as an aid in filing, pulling, or hanging
b
: something inserted
2
a
: close watch
keep tabs on fashion trends
3
: a key on a keyboard especially for arranging information in columns

tab

2 of 2 verb
tabbed; tabbing
1
: to furnish or ornament with tabs
2
: to select or name for a special purpose : designate
tabbed as the team's next captain
3
: to hit the tab key on a keyboard

Medical Definition

tab

noun
: tablet

More from Merriam-Webster on tab

Last Updated: - Updated example sentences
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