no ball

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun cricket A ball delivered by a bowler in violation of any of the various laws; the extra run then credited to the batting side; the signal, with an arm outstretched, then made by the umpire.
• verb cricket, of a bowler To bowl a no ball.
• verb cricket, of an umpire To call and signal a no ball.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun unlawfully delivered ball in cricket