The meaning of the Acronym TOS is...

TOS is

• The Other Side
• Texas Ornithological Society
• Tennessee Ornithological Society
• Trek Original Series
• Tales Of Sphereliax
• Tip Over Special
• The Terror Organization Of Simsbury
• The Old Situations
• The Other Site
• This Ornery Sock
• Thunder Of Slidell
• Tossing Of Salad
• Theosophical Order Of Service
• Team Omega Squadron
• Technically On Steroids

More Meanings For TOS:

• TIROS Operational System
• Temporarily Out Of Stock
• Tosco Corporation
• Temporarily Out of Stock
• The Outdoor School
• Tasteless, Offensive Stupidity
• Taken Out and Shot
• Star Trek, The Original Series
• The Original Series
• Tales Of Symphonia
• Taken On Strength
• Top Of the Stack
• Top Of Stack
• Atari S T Self-extracting file archive file
• Teraflop Operating System

TOS is also in:

• Assembly
• Educational
• File Extensions
• Film Censorship
• General
• Law
• Media
• Music
• NYSE Symbols
• Ocean Science
• Products
• Sports