Definition of preposition noun from the Oxford Advanced Learner's Dictionary

 

preposition

 noun
noun
BrE BrE//ˌprepəˈzɪʃn//
 
; NAmE NAmE//ˌprepəˈzɪʃn//
 
(grammar) Grammar
 
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a word or group of words, such as in, from, to, out of and on behalf of, used before a noun or pronoun to show place, position, time or method See related entries: Grammar Word Origin late Middle English: from Latin praepositio(n-), from the verb praeponere, from prae ‘before’ + ponere ‘to place’.
See the Oxford Advanced American Dictionary entry: preposition