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Meaning of preposition

prep•o•si•tion

Pronunciation: (prep"u-zish'un), [key]
— n. Gram.
  1. any member of a class of words found in many languages that are used before nouns, pronouns, or other substantives to form phrases functioning as modifiers of verbs, nouns, or adjectives, and that typically express a spatial, temporal, or other relationship, as in, on, by, to, since.

pre•po•si•tion

Pronunciation: (prē"pu-zish'un), [key]
— v.t.
  1. to position in advance or beforehand: to preposition troops in anticipated trouble spots.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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