downsun

adverb (or adjective)

: in a direction from or out of the sun

a downsun attack by an aircraft

Word History

Etymology

down entry 3 + sun, noun

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