OS

Initialism of outsize, clothes for large people.

Adjective

  1. Initialism of outsize, clothes for large people.
  2. Initialism of oversize.
  3. Initialism of Old Style, a term used in English language historical studies to indicate that a date conforms to the Julian calendar instead of the modern Gregorian calendar.
  4. Abbreviation of offscreen, indicating a line of dialogue is spoken by someone not visible onscreen.
  5. Initialism of over shoulder.

Adverb

  1. Initialism of overseas.
    • You did the overseas trip. You went OS. - 2015, Mick Houghton, I've Always Kept a Unicorn: The Biography of Sandy Denny:
    • I kind of expanded my circle a bit more when I went OS [overseas]. - 2022, The Betoota Advocate, The Australian Dream: Sell everything and move to Betoota, page 33:

Proper noun

  1. Initialism of Owen Sound.
  2. The Ordnance Survey, official mapping agency in Great Britain (see also the noun below).
  3. Initialism of Old Saxon.

Noun

  1. An Ordnance Survey map.
    • We've got an OS of the Cuckmere area.
    • Calton Hill in Edinburgh is located at OS grid ref NT262741.
  2. Initialism of operating system.
    • I've decided to install two different OSes on my new laptop.
    • Some vendors do now have a variant of the per-unit royalty (usually termed a “shared risk,” or similar approach), but it is not strictly the same as for those proprietary embedded OSes mentioned before […] - 2008, Karim...
    • A policy-created scheduled task will be accepted by computers running client OSes as old as Windows 2000 […] - 2010, Jorge Orchilles, Microsoft Windows 7 Administrator's Reference:
  3. Initialism of ordinary seaman.
  4. Initialism of oppidan scholar.

Forms

OSes OSs OS's

Related

OS diaper OS nappy

Derived

AROS iOS iPadOS JeOS macOS OS/2 OS X RTOS tvOS watchOS webOS