TRANSPOSE, verb transitive transpo'ze. 1. To change the place or order of things by putting each in the place of the other; as, to transpose letters, words or propositions. 2. To put out of place. 3. In algebra, to bring any term of an equation over to the other side. Thus if a+b=c, and we make a=c-b, then b is said to be transposed. 4. In grammar, to change the natural order of words. 5. In music, to change the key.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI