a weapon consisting of a thin, straight stick with a sharp point, designed to be shot from a bow: I’ve never used a bow and arrow the road continues straight as an arrow
a mark or sign resembling an arrow, used to show direction or position: we followed a series of arrows
verb
[no object, with adverbial of direction]
move or appear to move swiftly and directly: lights arrowed down into the airport
Phrases
arrow of time (or time's arrow)
the direction of travel from past to future in time considered as a physical dimension.
