TRAP 2 S/JOINT C/OUT DWV

is a plumbing item description that can be broken down as:

TRAP – A plumbing trap, typically used under sinks, floor drains, or fixtures to prevent sewer gases from entering a building.
2 – The trap has a 2-inch diameter.
S/JOINT – Solvent Joint (or Solvent Weld), meaning it is designed to be joined to pipe using PVC solvent cement.
C/OUT – Cleanout, an access point that allows the trap or pipe to be cleaned or cleared of blockages.
DWV – Drain, Waste, and Vent, indicating it is intended for non-pressurized drainage and venting systems.

Description:
A 2-inch DWV solvent-weld trap with an integrated cleanout access, used in drainage systems to maintain a water seal that blocks sewer gases while allowing convenient cleaning and maintenance.