pretendshell

noun
UK /prɪˈtɛndʃɛl/
US /prɪˈtɛndʃɛl/

A pretend shell is a toy shell you use when you play make-believe.

Mia put a pretendshell on her sandcastle and said a hermit crab lived there.


OTHER MEANINGS

2. A shell-shaped cover that hides or protects something by looking like something else.

The little robot wore a pretendshell so it looked like a rock.

3. A computer program that acts like a real shell but only pretends to run commands.

The students practiced typing commands in a pretendshell before using the real one.

4. A false outer layer that makes someone seem different from how they really are.

His cheerful pretendshell hid how tired he felt.