1. noun /ˌprɛpəˈzɪʃən/
A closed class of non-inflecting words typically employed to connect a noun or a pronoun, in an adjectival or adverbial sense, with some other word: a particle used with a noun or pronoun (in English always in the objective case) to make a phrase limiting some other word.
He made a long preposition and oration.
See Also: prepose, prepositive
2. verb /ˌprɛpəˈzɪʃən/
To place in a location before some other event occurs.
It is important to preposition the material before turning on the machine.
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