pygmyweed

noun

variants or pigmyweed

ˈ⸗⸗ˌ⸗

: a small annual aquatic herb (Tillaea aquatica) of the family Crassulaceae that occurs along the coasts of North America, Europe, and northern Africa and has very small solitary axillary greenish flowers

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