or
conjunction
[ ɔː ]
• used to link alternatives.
• "a cup of tea or coffee"
• introducing a synonym or explanation of a preceding word or phrase.
• "yoga is a series of postures, or asanas"
• otherwise (used to introduce the consequences of something not being done or not being the case).
• "hurry up, or you'll miss it all"
• introducing an afterthought, usually in the form of a question.
• "John's indifference—or was it?—left her unsettled"
• either.
• "to love is the one way to know or God or man"
or
noun
• a logical operation which gives the value one if at least one operand has the value one, and otherwise gives a value of zero.
Origin:
Middle English: a reduced form of the obsolete conjunction other (which superseded Old English oththe ‘or’), of uncertain ultimate origin.
or
noun
• gold or yellow, as a heraldic tincture.
• "a bend or"
Origin:
early 16th century: from French, from Latin aurum ‘gold’.
-or
suffix
• (forming nouns) denoting a person or thing performing the action of a verb, or denoting another agent.
• "escalator"
Origin:
from Latin, sometimes via Anglo-Norman French -eour or Old French -eor (see also -ator).
-or
suffix
• forming adjectives expressing a comparative sense.
• "junior"
Origin:
via Anglo-Norman French from Latin.
-or
suffix
• forming nouns denoting a state or condition.
• "error"
Origin:
from Latin, sometimes via Old French -or, -ur .
OR
abbreviation
• operational research.
• Oregon (in official postal use).
• other ranks (as opposed to commissioned officers).
