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翼開長 (yokukaichou) Japanese meaning: wingspan | Kotomora

翼よく開かい長ちょう

よ

く

か

い

ちょ

う

Meanings

1

wingspan; wingspread

Ornithological term for the distance between the tips of a bird's fully extended wings.

このワシの翼よく開

かい

長ちょう

は

2

メートル

を

超こ

える

。

This eagle's wingspan exceeds two meters.

Kanji

翼wing, plane, flank
開open, unfold, unseal
長long, leader, superior
張counter for bows & stringed instruments, stretch, spread

Related words

翼よく幅ふく
翼幅 is a more general term for wingspan, used for both birds and aircraft. 翼開長 is specifically for birds.

Written forms

翼よく開かい長ちょう
Standard kanji form for wingspan in ornithology.
翼よく開かい張ちょう
Alternate kanji form; less common than 翼開長.

Etymology

Compound of 翼 (wing), 開 (open), and 長 (length). The exact historical derivation is uncertain, but the term is used in modern ornithology.