Meaning
fin; flipper
- the anatomical fin of a fish or marine mammal
- flipper used for swimming or scuba diving (usually in the plural 'pinne')

In a sentence
Abbiamo visto la pinna di un delfino emergere dall'acqua.
We saw a dolphin's fin emerge from the water.
Non dimenticare di mettere le pinne nella borsa da spiaggia.
Don't forget to put the flippers in the beach bag.
Lo squalo nuotava lentamente mostrando solo la pinna dorsale.
The shark was swimming slowly, showing only its dorsal fin.
Word forms (2)
| Word | Word forms |
|---|---|
| pinna | feminine · singular |
| pinne | feminine · plural |
Usage notes
- When referring to diving gear, it is almost always used in the plural 'le pinne' (flippers/fins).
- Also used for fins of surfboards, aircraft, or cooling fins in engineering.