From Longman Dictionary of Contemporary Englisharrowar‧row /ˈærəʊ $ ˈæroʊ/  ●●○ noun [countable]  1 PMWWEAPONa weapon usually made from a thin straight piece of wood with a sharp point at one end, that you shoot with a bow2 SIGN/GESTUREa sign in the shape of an arrow, used to show direction Follow the arrows to the X-ray department. → straight arrow
                                                    
                                                Examples from the Corpus
arrow• Yet bows and arrows are very rare in early Anglo-Saxon graves.• They have met the idea of a vector as a crude arrow.• Suddenly a big pole, a sapling, shot across the clearing like a giant arrow.• They shot poisoned arrows from behind the thick bushes.• Present-day medicine men use wicker baskets and reed arrows.• Maybe I had two arrows through me.Origin arrow Old English arwe 
