tiivik
Tiivik is a term that can refer to several different things, primarily in the context of aviation and ornithology. In aviation, a tiivik, or wingtip, is the outermost section of an aircraft's wing. Wingtip devices, such as winglets, are often fitted to these sections to reduce drag and improve fuel efficiency. These devices work by disrupting the formation of wingtip vortices, which are swirling masses of air that form at the wingtips and contribute to induced drag.
In ornithology, the term tiivik can be used to describe the wing or a part of the
Beyond these technical uses, "tiivik" can also appear in less common contexts or as a proper noun