Dictionary definition · tab
noun
- the bill in a restaurant"he asked the waiter for the check"
- sensationalist journalism
- the key on a typewriter or a word processor that causes a tabulation
- a short strip of material attached to or projecting from something in order to facilitate opening or identifying or handling it"pull the tab to open the can"
- a dose of medicine in the form of a small pellet
Source: Open English WordNet (CC BY 4.0).