WordWeight : Weighing the Words

Pronunciation : Prep`o*si"tion
Part of Speech : n.
Etymology : [L. praepositio, fr. praeponere to place before; prae before + ponere to put, place: cf. F. pr?position. See Position, and cf. Provost.]
Definition : 1. (Gram.)

Defn: A word 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; -- so called because usually placed before the word with which it is phrased; as, a bridge of iron; he comes from town; it is good for food; he escaped by running.

2. A proposition; an exposition; a discourse. [Obs.] He made a long preposition and oration. Fabyan.
Source : Webster's Unabridged Dictionary, 1913