southern spatterdock

noun

: a spatterdock (Nuphar sagittifolium) of flowing waters of the southeastern U.S. that has filmy submersed leaves and narrow oblong to lanceolate floating leaves, sometimes forms obstructive mats in larger streams, and is often planted in aquariums

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