An object or method (especially software) chosen to solve a particular problem as being the most appropriate instrument.
Tool-of-choice Sentence Examples
telescopic carp rod was the tool of choice.
Once again, my trusty telescopic carp rod was the tool of choice.
Hot rollers were the styling tool of choice for women for decades, and even today they hold the same importance.
Frontpage is the WYSIWYG design tool of choice for millions of designers precisely because it can be easy enough for a a beginner to use and also allow the more advanced designers to tweak things like CSS and other web 2.0 technologies.