—v., -posed, -pos•ing,
1. to change the relative position, order, or sequence of; cause to change places; interchange: to transpose the third and fourth letters of a word.
2. to transfer or transport.
3. Algebra.to bring (a term) from one side of an equation to the other, with corresponding change of sign.
4. Math.(of a matrix) to interchange rows and columns.
5. Music.to reproduce in a different key, by raising or lowering in pitch.
6. to transform; transmute.
to perform a piece of music in a key other than the one in which it is written: to transpose at sight.
Math.a matrix formed from a given matrix by transposing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.