Definition of OS

The Meaning of OS

You have found the definitive source for the meaning of OS. This page contains all the definitions of OS, crowd sourced, moderated and curated by real people who care about the true definitions of OS.

The Top Definition of OS

The most popular meaning of OS is: operating system

What Other Meanings of OS Are There?

There are no other definitions for OS at this time. Add your own definition of OS.

What is OS?

OS is operating system

OS Means

The definition of OS is "operating system".

OS Definition

The meaning of OS

OS means operating system.

Now you understand the definition of OS - OS means "operating system".

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What does OS mean? OS is an acronym, abbreviation or slang word that is explained above. If you ever forget what OS means, just come back to and we'll define any acronym you need help with.

  1. MS - Microsoft
  2. BS - Bull Shit
  3. OHS - Operator Head Space
  4. TOS - The Original Series
  5. OP - operator
  6. JS - Just saying
  7. OW - Oh Well
  8. WOS - Wife over shoulder
  9. OB - Oh brother
  10. OB - Oh, Brother
  1. (YN) - Fingers crossed (MSN)
  2. +REP - Boost reputation on XBox Live
  3. 5150 - Police code for crazy person on the loose
  4. 67 - The trigger of "The Game" You see it you loose You
  5. :O) - Clown nose smiley face
  6. ?_? - Confused, lost
  7. ?_? - lost
  8. @}--->---- - A rose
  9. A&E - Accident & Emergency (department of a hospital)
  10. AAAAA - American Assosciation Against Acronym Abuse