Definition of "wing-tip" [wing-tip]

• The point of the wing; the apex of the longest primary of a bird's wing. (noun)

The Century Dictionary (Public Domain)

• "Especially had he been in quest of the famed jungle butterfly, a foot across from wing-tip to wing-tip, as velvet-dusky of lack of colour as was the gloom of the roof, of such lofty arboreal habits that it resorted only to the jungle roof and could be brought down only by a dose of shot."
• "So nothing stops them as they insert the old wing-tip deeply in among the dentition."
• "Before Thursday's order announcements, Airbus had received 332 orders for the A320neo, which it says will deliver 15% fuel savings because of more-efficient engines and wing-tip devices known as sharklets."