Definitions for jump ball
Random House Webster's College Dictionary
(adv.)a basketball tossed into the air above and between two opposing players by the referee in putting the ball into play.
Origin of jump ball:
(basketball) the way play begins or resumes when possession is disputed; an official tosses the ball up between two players who jump in an effort to tap it to a teammate
A method used to begin or resume play in basketball. Two opposing players attempt to gain control of the ball after it is tossed up into the air in between them by an official.
Metaphor for a contest too close to call.
In the context of general equities,