Potsherd - A broken piece of pottery. Job used one to scrape his sores (Job 2:8).

Other mentions: Isaiah 45:9, Proverbs 26:23.

It has been suggested that "unicorn" in this passage (verse 21) refers to a rhinoceros. The NIV also uses "wild oxen" instead of "unicorn." Whatever the case, this verse says that God has heard you and will save you from the enemies around you.