Sandcastle (noun)

A structure made of sand, typically shaped like a castle and built by children at the beach or in a sandbox.

Origin:

A compound word composed of 'sand' and 'castle'.

Examples:

1. The kids spent the afternoon building a sandcastle on the beach.
2. He took his daughter to the park to build a sandcastle in the sandbox.
3. She decorated the sandcastle with shells and rocks she found on the beach.
4. The sandcastle was so intricate and detailed, it looked like a real castle.
5. The competition was to see who could build the best sandcastle on the beach.