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1. A projection, flap, or short strip attached to an object to facilitate opening, handling, or identification.
2. A small, usually decorative flap or tongue on a garment.
3. A small auxiliary airfoil that is attached to a larger one and that helps stabilize an aircraft.
4. A pull-tab.
tr.v. tabbed, tab·bing, tabs
To supply with a tab or tabs.
a. A bill or check, such as one for a meal in a restaurant.
b. Cost; price: The tab for upgrading the computers would be high.
2. A tabulator on a typewriter.
a. A key on a computer keyboard that, when pressed, inserts a special ASCII character used for formatting text, as in indenting a line or block of text.
b. This special ASCII character.
intr.v. tabbed, tab·bing, tabsIdiom:
To press the tab on a typewriter or computer keyboard: Tab over to the next column.
keep tabs on Informal
To observe carefully over time: Let's keep tabs on expenditures.
tab 3(tăb) Informal
adj (Comput) dialog box etc → im Registerformat