(noun):
A farm implement consisting of a heavy frame with sharp teeth or upright disks, used to break up and even off plowed ground.
(verb):
1. To break up and level (soil or land) with a harrow.
2. To inflict great distress or torment on.
For physical events that happen at a specific time. For example a concert, or dance performance. If there are multiple shows, you can still duplicate your event to cover them all.