Flipper
a US television programme from the 1960s in which a family become friends with a dolphin that they call ‘Flipper’

[TahlilGaran] Dictionary of Contemporary English ▲

flip‧per /ˈflɪpə $ -ər/ noun [countable]

1. a flat part on the body of some large sea animals such as seals, that they use for swimming

2.
a large flat rubber shoe that you wear to help you swim faster

[TahlilGaran] Dictionary of Contemporary English ▲