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WordReference Random House Learner's Dictionary of American English © 2024tab1 /tæb/USA pronunciation n., v., tabbed, tab•bing. n. [countable] - a small flap, strap, or loop, as on a piece of clothing, used for pulling, hanging, or decoration:tabs on the jacket collar.
- a small projection from a card or folder, used as an aid in filing:The tab on the file folder was labeled "Top Secret.''
- Informal Termsa bill;
check:She promised to pick up (= pay) the tab for dinner. - Computing
- a typewriter stop or computer command that moves the carriage, cursor, or printing element a predetermined number of spaces.
- the key that activates such a stop or command.
v. - [~ + object] to furnish or ornament with tabs.
- to give a name to;
to designate (someone) as something:[~ + object + object]They tabbed him "the coward of the company.'' - Computing to operate the tab function on a typewriter or computer:[no object]Tab to the right a few times.
Idioms- Idioms keep tab(s) on, [~ + object] to keep a watch over:Keep tabs on what he spends for equipment.
WordReference Random House Unabridged Dictionary of American English © 2024tab1 (tab),USA pronunciation n., v., tabbed, tab•bing. n. - a small flap, strap, loop, or similar appendage, as on a garment, used for pulling, hanging, or decoration.
- a tag or label.
- a small projection from a card, paper, or folder, used as an aid in filing.
- Informal Termsa bill, as for a meal in a restaurant;
check. - a small piece attached or intended to be attached, as to an automobile license plate.
- a small flap or tongue of material used to seal or close the opening of a container.
- ComputingAlso called tabulator. a stop on a typewriter, actuated by a key, that moves the carriage, typing element, etc., a predetermined number of spaces, used for typing material in columns, for fixed indentations, etc.
- Computinga programmed command on a computer, actuated by a key, that moves the cursor or printhead a predetermined number of spaces, used for keying material in columns, for fixed indentations, etc.
- [Theat.]
- Show Businessa small, often narrow, drop curtain, for masking part of the stage.
- See tableau curtain.
- Aeronauticsa small airfoil hinged to the rear portion of a control surface, as to an elevator, aileron, or rudder. Cf. trim tab.
- keep tabs or tab on, [Informal.]to keep an account of;
check on;
observe:The police kept tabs on the suspect's activities.
v.t. - to furnish or ornament with a tab or tabs.
- to name or designate.
v.i. - ComputingAlso, tabulate. to operate the tab function on a typewriter or computer.
- ?; (in defs. 7 and 8) short for tabulator; (in def. 9) short for tableau; (in defs. 4 and 11) partly from shortening of table, partly in sense of def. 1
- (in defs. 1–3, 5) 1600–10
- Informal Termstabloid (def. 1).
- Drugs, Slang Terms[Slang.]a tablet, as of a drug or medication.
tab., - tables.
- Drugs(in prescriptions) tablet.
Collins Concise English Dictionary © HarperCollins Publishers:: tab /tæb/ n - a small flap of material, esp one on a garment for decoration or for fastening to a button
- any similar flap, such as a piece of paper attached to a file for identification
- Brit the insignia on the collar of a staff officer
- chiefly US Canadian a bill, esp one for a meal or drinks
- keep tabs on ⇒ informal to keep a watchful eye on
vb (tabs, tabbing, tabbed)- (transitive) to supply (files, clothing, etc) with a tab or tabs
Etymology: 17th Century: of unknown origin tab /tæb/ n - short for tabulator, tablet
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