1) Catholic terminology 
From the Latin for `to arouse,` the excitator in Roman Catholic seminaries, monasteries and convents was the member of the community charged with the job of awakening community members each morning. Traditionally, the excitator (who usually held this post temporarily, as one of the community `chores` through which members would rotate) would k...
• (n.) A kind of discarder.
Ex'ci·ta`tor noun [ Latin , one who rouses.] (Electricity) A kind of discarder.