Merriam-Webster Collegiate Dictionary - arrow

 I. noun  Etymology: Middle English arwe, from Old English; akin to Gothic arhwazna ~, Latin arcus bow, arch, arc  Date: before 12th century  1. a missile shot from a bow and usually having a slender shaft, a pointed head, and feathers at the butt  2. something shaped like an ~; especially a mark (as on a map or signboard) to indicate direction  II. intransitive verb  Date: 1827 to move fast and straight like an ~ in flight ; dart