What does "rhetorical" mean?

Rhetorical: Of or pertaining to rhetoric; according to, or exhibiting, rhetoric; oratorical; as, the rhetorical art; a rhetorical treatise; a rhetorical flourish. They permit him to leave their poetical taste ungratified, provided that he gratifies their rhetorical sense. M. Arnold. -- Rhe*tor"ic*al*ly, adv. -- Rhe*tor"ic*al*ness, n.