from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A broad flexible part, such as a flipper.
- n. A young woman, especially one in the 1920s who showed disdain for conventional dress and behavior.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. That which flaps.
- n. A flipper.
- n. A flapper valve in a toilet-flushing mechanism.
from the GNU version of the Collaborative International Dictionary of English
- n. One who, or that which, flaps.
- n. See Flipper.
from The Century Dictionary and Cyclopedia
- n. One who or that which flaps.
- n. A reminder; something designed to fix or divert the attention: in allusion to the flappers of Laputa. See extract from Swift, above.
- n. A young bird when first trying its wings; especially, a young wild duck which cannot fly, but flaps along on the water.
- n. Same as flapper-skate.
- n. plural Very long shoes worn by negro minstrels.
- n. plural Hinged channelod irons attached to the top of the low portion of the door of a landau. When up, they support the door-glass frame: when the glass is lowered, they fall flat upon the door-bar.
- n. In crustaceans, the tail, or the telson together with the appendages of the last abdominal segment.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a young woman in the 1920s who flaunted her unconventional conduct and dress
Sense 2, British Slang, very young female prostitute, flapper, possibly from flapper, fledgling partridge or duck (from flap) or from dialectal flap, loose or flighty girl.(American Heritage® Dictionary of the English Language, Fourth Edition)
flap + -er (Wiktionary)