Challenge to the favor
|the alleging a special cause, the sufficiency of which is to be left to those whose duty and office it is to decide upon it.|
|(Law)||the challenge of a juror on grounds not sufficient to constitute a principal challenge, but sufficient to give rise to a probable suspicion of favor or bias, such as acquaintance, business relation, etc. See Principal challenge, under Challenge.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.