bumpershell
nounUK /ˈbʌmpəʃɛl/
US /ˈbʌmpərʃɛl/
A bumpershell is a hard shell that keeps something safe from bumps.
The little turtle hid inside its bumpershell when it got scared.
OTHER MEANINGS
2. A padded cover that protects the bumper of a vehicle.
He wiped the mud off the bumpershell after the off-road trip.
3. A tough outer layer on a seed or fruit that resists knocks.
The bumpershell of the coconut kept the inside fresh.
4. A playful term for a helmet worn by a young child.
Put on your bumpershell before you ride your bike!