The three types of tonsils are: Palantine tonsils-These are the most commonly removed tonsils, located at the back of your throat.
Definition of commute for English Language Learners. : 1  to travel regularly to and from a place and especially between where you live and where you work. 2  law : to change (a punishment) to a less severe one.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  commutation(Noun) A passing from one state to another; change; alteration; mutation. 2  commutation(Noun) The act of giving one thing for another; barter; exchange. 3  commutation(Noun) Substitution of one thing for another; interchange.