The definition of a contraption is a strange machine, appliance or device used to do something.noun
A strange little bike that you built yourself to get you from place to place that looks as if it is going to fall apart at any minute is an example of a contraption.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Origin: < ? con(trive) + trap, + -tion
Used by arrangement with John Wiley & Sons, Inc.
Origin: Perhaps mock-Latinate blend of contrive and trap1.