• \ 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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