Meaning of the word "tail fin" in English

What does "tail fin" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

tail fin

US /ˈteɪl ˌfɪn/
UK /ˈteɪl ˌfɪn/

Noun

1.

a fin at the rear of a fish or other aquatic animal, used for propulsion and steering

Example:
The shark's powerful tail fin propelled it through the water.
Fish use their tail fins to swim and change direction.
2.

a vertical stabilizer at the rear of an aircraft, providing directional stability

Example:
The aircraft's tail fin helps keep it stable during flight.
The artist painted a colorful design on the jet's tail fin.