: one of two flat body parts that stick out from the side of a seal, whale, etc., and are used by the animal for swimming
: a flat rubber shoe that has a very wide front and that is used for swimming
What made you want to look up flipper? Please tell us where you read or heard it (including the quote, if possible).
Take our visual vocab quiz
A quick quiz about stuff worth knowing
The commonly misspelled words quiz
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes