Source : Webster's Revised Unabridged Dictionary (1913)

Transpose \Trans*pose"\, v. t. [imp. & p. p. {Transposed}; p.
   pr. & vb. n. {Transposing}.] [F. transposer; pref. trans- (L.
   trans across) + poser to put. See {Pose}.]
   1. To change the place or order of; to substitute one for the
      other of; to exchange, in respect of position; as, to
      transpose letters, words, or propositions.

   2. To change; to transform; to invert. [R.]

            Things base and vile, holding no quantity, Love can
            transpose to form and dignity.        --Shak.

   3. (Alg.) To bring, as any term of an equation, from one side
      over to the other, without destroying the equation; thus,
      if a + b = c, and we make a = c - b, then b is said to be
      transposed.

   4. (Gram.) To change the natural order of, as words.

   5. (Mus.) To change the key of.