needlegrass

noun

1

: any of several grasses of the genus Stipa (especially S. comata) of the western U.S. with filiform leaves and slender awns on the spikelet

2

: any of several grasses of the genus Aristida (especially A. longiseta) of the western U.S. furnishing poor forage

called also triple-awned grass

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