Noun
1. the bill in a restaurant;
"he asked the waiter for the check"2. sensationalist journalism
3. the key on an electric typewriter that causes a tabulation
4. 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""files with a red tab will be stored separately""the collar has a tab with a button hole"5. a dose of medicine in the form of a small pellet