• \ ər, ˈȯr How to pronounce or (audio) , Southern also ˈär \

      Definition of or

       (Entry 1 of 8)

      1 used as a function word to indicate an alternativecoffee or teasink or swim , the equivalent or substitutive character of two words or phraseslessen or abate , or approximation or uncertaintyin five or six days
      2 archaic : either
      3 archaic : whether
      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

      Definition of or (Entry 2 of 8)

      archaic

      Definition of or (Entry 3 of 8)

      archaic
      \ ˈȯr How to pronounce or (audio) \

      Definition of or (Entry 4 of 8)

      : the heraldic color gold or yellow
      \ ˈȯr How to pronounce OR (audio) \

      Definition of OR (Entry 5 of 8)

      : a logical operator that requires at least one 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

      Definition of OR (Entry 6 of 8)

      1 operating room
      2 operational research; operations research
      3 Oregon
      4 owner's risk
      5 own recognizance

      Definition of -or (Entry 7 of 8)

      : one that does a (specified) thing grantor

      Definition of -or (Entry 8 of 8)

      : condition : activity demeanor

      First Known Use of or

      Conjunction (1)

      13th century, in the meaning defined at sense 1

      Preposition

      13th century, in the meaning defined above

      Conjunction (2)

      13th century, in the meaning defined above

      Noun (1)

      15th century, in the meaning defined above

      Noun (2)

      1947, in the meaning defined above

      History and Etymology for or

      Conjunction (1) and Noun (2)

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

      Preposition

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

      Noun (1)

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

      Noun suffix (1)

      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

      Noun suffix (2)

      Middle English, from Anglo-French, from Latin

      Keep scrolling for more

      Learn More about or

      Time Traveler for or

      Time Traveler

      The first known use of or was in the 13th century

      See more words from the same century

      Statistics for or

      Cite this Entry

      “Or.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/or. Accessed 7 Jul. 2020.

      Keep scrolling for more

      More Definitions for or

      \ ər How to pronounce or (audio) , ˈȯr \

      Kids Definition of or

      used between words or phrases that are choicesjuice or milkWill you leave or stay?

      Kids Definition of OR

      Oregon
      \ ər \

      Kids Definition of -or

       (Entry 1 of 4)

      : someone or something that does a specified thing actor elevator

      Kids Definition of -or (Entry 2 of 4)

      : condition : activity demeanor

      Medical Definition of OR

      operating room

      Legal Definition of OR

      own recognizance

      Keep scrolling for more

      More from Merriam-Webster on or

      Rhyming Dictionary: Words that rhyme with or

      Spanish Central: Translation of or

      Nglish: Translation of or for Spanish Speakers

      Britannica English: Translation of or for Arabic Speakers

      Britannica.com: Encyclopedia article about or

      Comments on or

      What made you want to look up or? Please tell us where you read or heard it (including the quote, if possible).

      WORD OF THE DAY

      See Definitions and Examples »

      Get Word of the Day daily email!

      Test Your Vocabulary

      A More Exception(al) Quiz

      • hot dog  hot dog  hot dog  hot dog cat
      • Which of the following words is not a synonym for ‘a young person’?
      Spell It

      Can you spell these 10 commonly misspelled words?

      TAKE THE QUIZ
      Syn City

      Test Your Knowledge - and learn some interesting things along the way.

      TAKE THE QUIZ
      Love words? Need even more definitions?

      Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

      Merriam-Webster unabridged

          1. http://www.mh8dociw.tw | http://m.mh8dociw.tw | http://wap.mh8dociw.tw | http://3g.mh8dociw.tw | http://4g.mh8dociw.tw | http://5g.mh8dociw.tw | http://mobile.mh8dociw.tw | http://vip.mh8dociw.tw | http://ios.mh8dociw.tw | http://anzhuo.mh8dociw.tw | http://b235.mh8dociw.tw | http://2fada1.mh8dociw.tw | http://9aed2.mh8dociw.tw | http://5352bc.mh8dociw.tw | http://3e32.mh8dociw.tw | http://8f.mh8dociw.tw | 05ee com播放视频