preposition

preposition, in English, the part of speech embracing a small number of words used before nouns and pronouns to connect them to the preceding material, e.g., of, in, and about. Prepositions are a class that is typical of the structure of Indo-European languages, but similar classes are found in some other languages.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on preposition from Fact Monster:

See more Encyclopedia articles on: Language and Linguistics