If your in an advanced placement class, why are you asking us for a dictionary definition??
Here's your first answer.
http://dictionary.reference.com/browse/compromise
I'm sure your book has the answers to 2 and 3. The fourth question asks for your opinion.
(1) What is a compromise?
(2) How did the Great Compromise satisfy both small states and large states?
(3) Describe the Three- Fifths Compromise?
(4) In your opinion, which was more important in 1787, maintaining slavery or creating national unity?
2 answers
Sorry -- you didn't say you were in an AP class.