tab
/tæb/noun
Definitions
A small flap or strip of material attached to something, for holding, manipulation, identification, opening etc.
An ear.
(by extension) A navigational widget, resembling a physical tab, for switching between documents or sets of controls.
The page or form associated with such a navigational widget.
Example: How many tabs are open in your Web browser?
verb
Definitions
To affix with tabs; to label.