foul tip 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.
Baseball a batted ball barely tipped by the bat: it is counted as a strike, but to be counted as a third strike, it must be caught by the catcher
foul tip definition by American Heritage Dictionary
A pitched ball that is deflected slightly off the bat toward the catcher.