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1

or

play
conjunction \ər, ˈȯr, Southern also ˈär\

Definition of or

  1. 1 —used as a function word to indicate an alternative <coffee or tea> <sink or swim>, the equivalent or substitutive character of two words or phrases <lessen or abate>, or approximation or uncertainty <in five or six days>

  2. 2 archaic :  either

  3. 3 archaic :  whether

  4. 4 —used in logic as a sentential connective that forms a complex sentence which is true when at least one of its constituent sentences is true — compare disjunction



Origin and Etymology of or

Middle English, alteration of other, alteration of Old English oththe; akin to Old High German eddo or


First Known Use: 13th century


2

or

preposition

Definition of or

archaic

  1. :  before



Origin and Etymology of or

Middle English, from or, adverb, early, before, from Old Norse ār; akin to Old English ǣr early — more at ere


First Known Use: 13th century


3

or

conjunction

Definition of or

archaic

  1. :  before



13th Century

First Known Use of or

13th century


4

or

play
noun \ˈȯr\

Definition of or

  1. :  the heraldic color gold or yellow



Origin and Etymology of or

Middle English, from Anglo-French, gold, from Latin aurum — more at aureus


First Known Use: 15th century


1

OR

play
noun \ˈȯr\

Definition of OR

  1. :  a logical operator that requires either of two inputs to be present or conditions to be met for an output to be made or a statement to be executed <OR gate in a computer>



Origin and Etymology of or

1or


First Known Use: circa 1956

Other Computer-Related Terms


2

OR

abbreviation

Definition of OR

  1. 1 operating room

  2. 2 operational research; operations research

  3. 3 Oregon

  4. 4 owner's risk

  5. 5 own recognizance




1

-or

noun suffix

Definition of -or

  1. :  one that does a (specified) thing <grantor>



Origin and Etymology of -or

Middle English, from Anglo-French -ur, -our, -eour & Latin -or; Anglo-French -ur, -our, from Latin -or; Anglo-French -eour, from Latin -ator, from -a-, verb stem + -tor, agent suffix; akin to Greek -tōr, agent suffix, Sanskrit -tā


2

-or

noun suffix

Definition of -or

  1. :  condition :  activity <demeanor>



Origin and Etymology of -or

Middle English, from Anglo-French, from Latin


OR Defined for Kids

or

play
conjunction \ər, ˈȯr\

Definition of or for Students

  1. —used between words or phrases that are choices <juice or milk> <Will you leave or stay?>




OR

play
abbreviation

Definition of OR for Students

  1. Oregon




1

-or

noun suffix \ər\

Definition of -or for Students

  1. :  someone or something that does a specified thing <actor> <elevator>




2

-or

noun suffix

Definition of -or for Students

  1. :  condition :  activity <demeanor>




Medical Dictionary

OR

abbreviation

Medical Definition of OR

  1. operating room




Law Dictionary

OR

abbreviation

Legal Definition of OR

  1. own recognizance




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