Translation guide
The distance from the tip of one wing to the tip of the other wing, used for birds, airplanes, and other winged things. Also used metaphorically for arm span or reach.
To describe the distance between the tips of the wings of a bird, insect, or aircraft.
Standard term for wingspan, used in biology and aviation.
この鳥の翼幅は2メートル以上ある。
This bird has a wingspan of over 2 meters.
To refer to the distance from fingertip to fingertip when arms are outstretched, often in sports or physical descriptions.
Literally 'arm length', but in context can mean arm span. Common in sports like basketball.
彼は腕の長さが身長より10センチ長い。
His arm span is 10 cm longer than his height.
To describe the extent of influence, coverage, or range of something, like a company or idea.
General word for 'range' or 'scope'. Not specific to wings, but used metaphorically.
翼幅 (よくはば) specifically refers to the wings of birds or aircraft. Using it for a person's arm span would sound strange. Use 腕の長さ or descriptive phrases instead.
Often used in technical contexts, especially for aircraft.
その飛行機の翼長は60メートルだ。
The airplane's wingspan is 60 meters.
Descriptive phrase meaning 'the length when the wings are spread'. Natural in everyday speech.
あのワシが翼を広げた長さはすごいね。
The length of that eagle's wings when spread is amazing.
Descriptive phrase: 'the length when both arms are spread'. Clear and natural.
両腕を広げた長さを測ってみて。
Try measuring your wingspan (arm span).
Loanword from English 'reach', used in sports contexts like boxing or basketball to mean arm reach or wingspan.
ボクサーのリーチが長いと有利だ。
A boxer with a long reach has an advantage.
その会社の事業範囲は世界中に広がっている。
The company's wingspan (scope of operations) extends worldwide.
Means 'influence' or 'reach', often used for power or effect.
彼の影響力は政界全体に及んでいる。
His wingspan (influence) extends across the entire political world.