翼よく桁けた

noun

wing spar

Technical term in aviation for the main structural member of an aircraft wing.

• 翼よく桁けたは飛ひ行こう機きの翼つばさの強きょう度どを支ささえる重じゅう要ような部ぶ品ひんです。

  The wing spar is a crucial component that supports the strength of an aircraft's wing.