1. Plan where and when songs should be inserted into a theatrical production, or plan a theatrical production in general 
2. Prevent from entering
   "block out the strong sunlight"
   - screen 
3. Shield from light
   - mask 
4. Indicate roughly

Derived forms: blocks out, blocking out, blocked out

Type of: adumbrate, block, close up, cover, impede, jam, lay out, obstruct, obturate, occlude, outline, sketch

Encyclopedia: Block out

• right to due process
• right to liberty
• right to life
• right to privacy
• right to speedy and public trial by jury
• right to the pursuit of happiness
• right to vote
• right triangle
• right ventricle
• right whale
• right-angled
• right-angled triangle
• right-down
• right-eyed
• right-hand man
• right-handed
• right-handed pitcher
• right-handedness
• right-minded
• right-side-out
• right-side-up
• right-thinking
• right-to-die
• right-to-lifer
• right-wing