• synonyms


[dos]Chiefly British
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  1. a place to sleep, especially in a cheap lodging house.
  2. sleep.
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verb (used without object)
  1. to sleep or lie down in any convenient place.
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Origin of doss

First recorded in 1775–85; origin obscure


[daws, dos]
noun Computers.
  1. any of several single-user, command-driven operating systems for personal computers, especially MS DOS.
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Origin of DOS

d(isk) o(perating) s(ystem)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for doss


  1. (intr often foll by down) to sleep, esp in a dosshouse
  2. (intr often foll by around) to pass time aimlessly
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  1. a bed, esp in a dosshouse
  2. a slang word for sleep
  3. short for dosshouse
  4. a task or pastime requiring little effortmaking a film is a bit of a doss
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Word Origin

C18: of uncertain origin


n acronym for trademark computing
  1. disk-operating system, often prefixed, as in MS-DOS and PC-DOS; a computer operating system
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012