Commute word meaning and definition

[verb] transpose and remain equal in value; of variables or operators, in mathematics; "These operators commute with each other"
[verb] exchange or replace with another, usually of the same kind or category; "Could you convert my dollars into pounds?"; "He changed his name"; "convert centimeters into inches"; "convert holdings into shares"
[verb] exchange a penalty for a less severe one
[verb] change the order or arrangement of; "Dyslexics often transpose letters in a word"
[verb] travel back and forth regularly, as between one's place of work and home

\Com*mute"\, v. t. [imp. & p. p. {Commuted}; p. pr. & vb. n. {Commuting}.] [L. commutare, -mutatum; com- + mutare to change. See {Mutation}.] To exchange; to put or substitute something else in place of, as a smaller penalty, obligation, or payment, for a greater, or a single thing for an aggregate; hence, to lessen; to diminish; as, to commute a sentence of death to one of imprisonment for life; to commute tithes; to commute charges for fares. The sounds water and fire, being once annexed to those two elements, it was certainly more natural to call beings participating of the first ``watery'', and the last ``fiery'', than to commute the terms, and call them by the reverse. --J. Harris The utmost that could be obtained was that her sentence should be commuted from burning to beheading. --Macaulay.
\Com*mute"\, v. i. 1. To obtain or bargain for exemption or substitution; to effect a commutation. He . . . thinks it unlawful to commute, and that he is bound to pay his vow in kind. --Jer. Taylor. 2. To pay, or arrange to pay, in gross instead of part by part; as, to commute for a year's travel over a route.

Morse code: -.-. --- -- -- ..- - .