nutshell
🇺🇸
/ˈnʌtʃel/
🇬🇧
/ˈnʌtʃel/
The hard covering of a nut that holds the edible part inside.
The squirrel cracked the nut open in a nutshell to get to the nutmeat.
A short and clear way of explaining something, especially a complicated idea.
In a nutshell, the plan aims to reduce costs while increasing efficiency.