angle of roll

: the angle through which an airplane must be rotated about its longitudinal axis to bring its lateral axis into a horizontal plane, being positive when the left wing is higher than the right

called also angle of bank

Word History

First Known Use

1913, in the meaning defined above

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