/ˌpɹɛpəˈzɪʃən/► audioScrabble 15Words With Friends 18
Definition
noun a function word that combines with a noun or pronoun or noun phrase to form a prepositional phrase that can have an adverbial or adjectival relation to some other word.
noun (linguistics) the placing of one linguistic element before another (as placing a modifier before the word it modifies in a sentence or placing an affix before the base to which it is attached).
Examples
“It is important to preposition the material before turning on the machine.”