- change the order or arrangement of; "Dyslexics often transpose letters in a word"
- In mathematics, the notion of permutation is used with several slightly different meanings, all related to the act of permuting (rearranging in an ordered fashion) objects or values. Informally, a permutation of a set of values is an arrangement of those values into a particular order. ...
- To change the order of something; To make a permutation
- (permuter) Device used in crypto-equipment to change the order in which the contents of a shift register are used in various nonlinear combining circuits. [CNSSI] (see also cryptography)