plane chart

noun

: a depiction of a small portion of the earth's surface as plane with meridians and parallels of latitude appearing as two systems of straight lines at right angles and all arc degrees as equal

Word History

Etymology

plane entry 5

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