(intransitive, dated, slang) To pay one's tab and leave a bar. / (computing, graphical user interface) To press the Tab key and a modifier key to move between tabs or windows.

A ticket for a pull-tab game.

(military) insignia worn on the collar of a uniform singing the wearer’s rank and/or branch

(computing) In word processing, a series of repeated text characters filling the area of a tab stop, such as the row of periods/dots leading to the name of a chapter in a table of contents.

plural of tab leader

A small non-adhesive portion of an adhesive label, allowing it to be removed more easily from its backing sheet.

plural of square tab shingle

(roofing) Shingle with tabs that are all the same size and exposure.

(intransitive, idiomatic, chiefly US) To accept a bill and pay it, especially at a bar or restaurant.

plural of cross tab