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
NAmE//ˌprɛpəˈzɪʃənl//
adjective a prepositional phrase (= a preposition and the noun following it, for example at night or after breakfast)See preposition in the Oxford Advanced Learner's DictionaryCheck pronunciation: preposition