nutshells
nounUK /ˈnʌtʃelz/
US /ˈnʌtʃelz/
Nutshells are the hard outer covers that protect nuts.
We found empty nutshells on the ground under the tree.
OTHER MEANINGS
2. A very short way of saying something, as in the phrase 'in a nutshell'.
In a nutshell, the story is about a brave little mouse.
3. The hard covering of a seed or fruit pit.
The nutshells cracked open easily in her hand.
4. Small, compact things compared to something much bigger.
The tiny boat looked like a nutshell on the wide ocean.