“8th” (eighth) means:

• The ordinal form of 8, showing position in a sequence.
  • Example: She finished 8th in the race = she came in position number eight.
• It can also refer to:
  • The 8th day of a month (e.g., July 8th)
  • The eighth item, rank, or place in an ordered list

In short, it means number eight in order or rank.