tab meaning and definition

TAB noun

Definition of tab (noun)

1. the bill in a restaurant
   • "he asked the waiter for the check"
   • synonyms: check, chit
2. sensationalist journalism
   • synonyms: tabloid, yellow journalism
3. the key on a typewriter or a word processor that causes a tabulation
   • synonyms: tab key
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"; "the filing cards were organized by cards having indexed tabs"
5. a dose of medicine in the form of a small pellet
   • synonyms: lozenge, pill, tablet