Translation guide
The fin at the rear of a fish, whale, or other aquatic animal; also the vertical stabilizer on an aircraft or similar structure on a vehicle.
The fin at the rear end of a fish, whale, dolphin, or other aquatic creature.
Standard term for the tail fin of a fish or aquatic animal. Used in everyday conversation and biology.
金魚の尾びれがとてもきれいです。
The goldfish's tail fin is very beautiful.
尾びれを使って前に進みます。
It moves forward using its tail fin.
Kanji form of 尾びれ, more common in written or formal contexts. Same meaning.
この魚の尾鰭は大きい。
This fish's tail fin is large.
Literally 'fin of the tail', less common but understandable. Used when clarifying or in descriptive contexts.
尾のひれが傷ついています。
The tail fin is damaged.
The vertical fin on the tail of an airplane, often bearing the airline logo.
Technical term for the vertical stabilizer of an aircraft. Used in aviation contexts.
垂直尾翼に航空会社のロゴが描かれている。
The airline's logo is painted on the tail fin.
General term for tailplane or empennage; can refer to the entire tail assembly including horizontal stabilizers. In context, understood as tail fin.
More specific engineering term for vertical stabilizer. Rare in everyday language.
垂直安定板の面積を計算する。
Calculate the area of the vertical stabilizer.
A decorative or aerodynamic fin-like projection on the rear of a car, motorcycle, or other vehicle.
Loanword from English, commonly used for car tail fins, especially classic American cars.
1950年代の車には大きなテールフィンがあった。
Cars in the 1950s had big tail fins.
Also a loanword, used for rear fins on vehicles, especially in tuning or motorcycle contexts.
バイクのリアフィンをカスタムした。
I customized the motorcycle's tail fin.
The fin(s) at the tail of a surfboard, paddleboard, or similar watercraft.
Commonly used for surfboard fins. Often used with 'テール' (tail) for clarity.
サーフボードのテールフィンを交換した。
I replaced the surfboard's tail fin.
Same as car fin, but context makes it clear. Used in surfing communities.
The tail fin design has changed.
このボードはテールフィンが3つ付いている。
This board has three tail fins.