Definitions for "Lost ball"
Keywords:  caddies, nearer, minute, struck, spent
Any ball that cannot be found within five minutes of beginning a search for it .
Any ball which cannot be located once struck.
A ball is deemed "lost'' if: It is not found or identified as his by the player within five minutes after the player's side or his or their caddies have begun to search for it; or The player has made a stroke at a substituted ball; or. The player has made a stroke at a provisional ball from the place where the original ball is likely to be or from a point nearer the hole than that place. Time spent in playing a wrong ball is not counted in the five-minute period allowed for search.