What is Arrow?

Arrow definition and meaning on Dictionary terms:
a slender, straight, generally pointed missile or weapon made to be shot from a bow and equipped with feathers at the end of the shaft near the nock, for controlling flight.
anything resembling an arrow in form, function, or character.
a linear figure having a wedge-shaped end, as one used on a map or architectural drawing, to indicate direction or placement.
(initial capital letter) Astronomy. the constellation Sagitta.
broad arrow.

verb (used with object)
to indicate the proper position of (an insertion) by means of an arrow (often followed by in): to arrow in a comment between the paragraphs.