Flap (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">flap</span>' is the definition.<br/ ><span class="explanation-format__explanation">(both can mean a small piece of material)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(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" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">flap</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that flap can be written as flutter)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(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" .)