upper story

noun

1

: a story (as of a house) that is above the ground floor

2

slang : brain

a little off in the upper story

—Erle Stanley Gardner

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now