'Pro and con' definitions:

Definition of 'Pro and con'

From: GCIDE
  • Pro \Pro\, adv. For, on, or in behalf of, the affirmative side; -- in contrast with con. [1913 Webster]
  • Pro and con, for and against, on the affirmative and on the negative side; as, they debated the question pro and con; -- formerly used also as a verb.
  • Pros and cons, the arguments or reasons on either side. [1913 Webster]