—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
: 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
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