A diving board on a swimming pool.
diving board definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a springboard projecting over a swimming pool, lake, etc., for use as a takeoff in diving
diving board definition by American Heritage Dictionary
A flexible board from which a dive may be executed, secured at one end and projecting over water at the other. Also called springboard.