TAB

[noun] [C] - a small strap connected to something for hanging, pulling, or fastening, or a small piece of paper, plastic or metal, esp. one giving information and sticking out from something largerMake a file for these documents and write 'finance' on the tab.On audio and video tapes a tab can be used to lock the tape and prevent further recording.(US) A tab (UK and ANZ ringpull) is also the small piece of metal, often joined to a ring, which is pulled off or pushed into the top of a can to open it.(esp. [US and ANZ] informal) The tab is also the total money charged in a restaurant or hotel for food, drinks etc..He kindly offered to pick up the tab (= pay).Just put it on the tab please (= add it to the total charge).(UK regional) A tab is also a cigarette.I'd like a packet of tabs, please.A tab of acid is a small piece of paper containing the drug LSD.To keep tabs on something is to watch it carefully.I like to keep tabs on my bank account so that I don't overdraw.