Flap (3)
'flap' is the definition.
(both can mean a small piece of material)
This is all the clue.
(Other definitions for tab that I've seen before include "The bill in a restaurant" , "Text indent key" , "Tally of orders in bar" , "Ring pull" , "Till bill" .)
'flap' is the definition.
(I know that flap can be written as flutter)
This is all the clue.
(Other definitions for flutter that I've seen before include "Informally a slight gamble as on a horse" , "Small bet; beat feebly" , "Fly unsteadily; small bet" , "Bat" , "Move one's eyelashes - move like a butterfly - bet" .)