Clean Sth Meaning Inside Nurse Carefully Cleaned Cut

Meaning: to clean the inside of something

• clean out sth The nurse carefully cleaned out the cut on my foot before the doctor stitched it up.
  
  
• clean sth out One of the pipes in the kitchen is blocked so we need to get a plumber in to clean it out.
  
  
• clean sth out of sth A couple of times a year I get on the roof and clean the dead leaves out of the gutters.