No such thing! Do you mean "bow and arrow?"
I suppose the narrow bow of a boat is a wedge
The bow of a boat is the narrow pointed end at the front.
narrow
narrow arrow
The narrow bow of a ship is a wedge, a type of simple machine. It allows the ship to cut through water with less resistance due to its sharp, pointed shape.
A crossbow arrow is called a Bolt or a Quarrelx
The stave of a bow is the part of the bow which is usually made of wood, has the handle, and is where you rest the arrow. It is also the part of the bow onwhich the string is attched. The definition of stave is one of the thin, narrow, shaped pieces of wood that form the sides of a cask, tub, or similar vessel.
The thyroid gland resembles a butterfly or a bow tie in shape, as it consists of two lobes connected by a narrow isthmus in the middle.
It's an Ox-bow.
bow (take a bow), and bough (branch of a tree) or bow (like bow tie) and beau (boyfriend)
Which meaning of the word bow? There's the bow of a boat, a ribbon and bow, a bow and arrow, take a bow...
Bow - The front of a boat. Bow - Bend down at the waist. Bow - Something tied with ribbon. Bow - A device that shoots arrows.