Noah Webster
Transposition
TRANSPOSI'TION, noun [Latin transpositio.]
1. A changing of the places of things and putting each in the place before occupied by the other; as the transposition of words in a sentence.
2. The state of being reciprocally changed in place.
3. In algebra, the bringing of any term of an equation to the other side.
4. In grammar, a change of the natural order of words in a sentence. The Latin and Greek languages admit transposition without inconvenience, to a much greater extent than the English.
5. In music, a change in the composition, either in the transcript or the performance, by which the whole is removed into another key.