|prep a word or group of words used before a noun or pronoun to relate it grammatically or semantically to some other constituent of a sentence|
|[C14: from Latin praepositiō a putting before, from pōnere to place]|
|usage The practice of ending a sentence with a preposition (Venice is a place I should like to go to) was formerly regarded as incorrect, but is now acceptable and is the preferred form in many contexts|
A part of speech that indicates the relationship, often spatial, of one word to another. For example, “She paused at the gate”; “This tomato is ripe for picking”; and “They talked the matter over head to head.” Some common prepositions are at, by, for, from, in, into, on, to, and with.