block out

Verb

 * 1)  to prevent from entering or penetrating.
 * 2)  to prevent (a thought) from entering one's mind.
 * 3)  to cover something, so as to make it impossible to see.
 * 4)  to begin to reduce to shape; to mark out roughly; to lay out.
 * to block out a plan
 * 1)  to cover something, so as to make it impossible to see.
 * 2)  to begin to reduce to shape; to mark out roughly; to lay out.
 * to block out a plan
 * 1)  to begin to reduce to shape; to mark out roughly; to lay out.
 * to block out a plan