| Main Entry: | |
| Part of Speech: | noun |
| Definition: | finned device |
| Synonyms: | fan, feather, weathercock |
| Main Entry: | fin |
| Part of Speech: | noun |
| Definition: | arm |
| Synonyms: | airfoil, appendage, dorsal, flipper, hand, pinna, stabilizer, vane |
| Main Entry: | weather vane |
| Part of Speech: | noun |
| Definition: | device showing wind direction |
| Synonyms: | anemometer, cock, vane, weathercock, wind vane, windsock |