What does poss stand for?

Possession (AD)

Possessive - Linguistics (IEL)

Possessive (WDMC)

Possible (WDMC)

Possibly (WDMC)

Possession (BEE)

Possible - Medicine (BCRP)

Palomar Observatory Sky Survey - NASA

Passive Optical Satellite Surveillance - System (NATG)

Passive Optical Surveillance System (SAUS)

Percutaneous On-surface Stimulation - Medicine (EDAA)

Photo-Optical Surveillance Subsystem

Photooptical Surveillance System (SAUS)

Plant Occurrence and Status System (SAUS)

Polar Orbiting Satellite System (SAUS)

Polyhedral Oligomeric Silsesquioxane

Polyimide on Silicon-mask Substrate (SAUS)

Portable Oceanographic Survey System (MCD)

Portable Outdoor Security System - Police and security equipment

Possession - or Possessive (AFM)

Possible

Possis Medical - NASDAQ symbol

Possis Medical, Inc. - NASDAQ symbol (NQ)

Program Operations Support Staff - Environmental Protection Agency (GFGA)

Prototype Optical Surveillance Subsystem (SAUS)

Prototype Optical Surveillance System

Proximal Over-Shoulder Strap - Medicine