noun
wing length; wingspan
Used for the length of a wing, typically of a bird, or the wingspan of an aircraft. The context determines which gloss is more appropriate.
この鳥の翼長は約30センチです。
The wing length of this bird is about 30 centimeters.
新しい旅客機の翼長は60メートルを超える。
The wingspan of the new airliner exceeds 60 meters.