(1):
(v. t.) To change the natural order of, as words.
(2):
(v. t.) To change the key of.
(3):
(v. t.) 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.
(4):
(v. t.) To change; to transform; to invert.
(5):
(v. t.) 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.