1. \ 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

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            Time Traveler for or

            Time Traveler

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

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            Statistics for or

            Cite this Entry

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

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            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

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            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

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            Merriam-Webster unabridged
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