The meaning of the Acronym POSS is...

POSS is

• Post Ofsted Slump Syndrome

More Meanings For POSS:

• Palomar Observatory Sky Survey
• Polyhedral Oligomeric SilSesquioxane
• Post Ofsted Slump Syndrome
• Post Order Support Services
• Possis Medical, Inc.
• Possible
• Possession
• Possession

POSS is also in:

• Astronomy
• Chemistry
• General
• Law
• Military
• NASDAQ Symbols
• Physiology
• Sports