wing tip
noun
1- the tip of the wing of an aircraft, bird, or other animal（飞机、鸟等的）翼尖, 翼梢。
1.1
- （亦作wingtip shoe）N. Amer. a shoe with a toecap having a backward extending point and curving sides, resembling the shape of a wing〈北美〉翼波状盖式男皮鞋。