Definition of tab
(Entry 1 of 2)
1a
: a short projecting device: such as
(1)
: a small flap or loop by which something may be grasped or pulled
(2)
: a projection from a card used as an aid in filing
b
: a small insert, addition, or remnant
d
: a small auxiliary airfoil hinged to a control surface (such as a trailing edge) to help stabilize an airplane in flight — see airplane illustration
2 [ partly short for 1table; partly from sense 1 ]
a
: close surveillance : watch
keep tabs on trends
c
: cost
the tab for the new program
tab
verb
tabbed;
tabbing
Definition of tab (Entry 2 of 2)
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