verb (used with object), un·cou·pled, un·cou·pling.
verb (used without object), un·cou·pled, un·cou·pling.
Examples from the Web for uncouple
As we near the bandits, uncouple the train, put on the brakes and stop the coaches.The Broncho Rider Boys with Funston at Vera Cruz|Frank Fowler
The linch-pin of the parlour-car has become over-heated, and we had to uncouple the car and leave it behind.Dr. Dumany's Wife|Mr Jkai
Andrews told his engineer to uncouple the baggage car from the box car, and then wait for him.Stories Of Georgia|Joel Chandler Harris
But the law of New York State says that married couples shall not uncouple amicably and intelligently.We Can't Have Everything|Rupert Hughes
I would give a signal for him to uncouple his engine and follow at full speed.Where Strongest Tide Winds Blew|Robert McReynolds