arrows

a weapon that is like a long, thin stick with a sharp point at one end and often feathers at the other, shot from a bow (= a long, thin piece of wood bent into a curve by a piece of string):

Examples:

a sign consisting of a straight line with an upside down V shape at one end of it that points in a particular direction, used to show where something is:

Examples:

a long, thin stick, pointed at one end, that can be shot from a bow

An arrow is also a sign (→), which points in a particular direction.