押さえる

What does 押さえる mean in English?

1. to pin down; to hold down; to press down(v1, vt)
2. to cover (esp. a part of one's body with one's hand); to clutch (a body part in pain); to press (a body part)(v1, vt)
3. to get a hold of; to obtain; to seize; to catch; to arrest(v1, vt)
4. to grasp (a point); to comprehend(v1, vt)
5. to quell; to subdue; to suppress; to repress; to hold back; to check; to curb; to contain(v1, vt)