flip·per 
(flĭpər)
(flĭpər)n.
1. One that flips: a flipper of hamburgers
2. A wide flat limb, as of a seal, whale, or other aquatic mammal, adapted for swimming.
3. See fin1.
4. A flat lever in a pinball machine, used to hit the ball so it stays in play.
flipperSouth African fur seal
Arctocephalus pusillus
- interactively
- interagency
- inter alia
- inter alios
- interannual
- interannually
- interatomic
- interbank
- interbrain
- interbreed
- intercalary
- intercalate
- intercalation
- intercalative
- intercede
- interceder
- intercellular
- intercept
- intercepter
- interception
- interceptive
- interceptor
- intercession
- intercessional
- intercessor