Bedeutung von “preposition” im Essential American English Dictionary

preposition

noun us /ˌprep·əˈzɪʃ·ən/

B1 a word or group of words that is used before a noun or pronoun to show place, direction, time, etc. For example, “on” in “Your keys are on the table.” is a preposition.

(Definition von “preposition” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)