corn speedwell

noun

: a small annual or winter annual speedwell (Veronica arvensis) of Europe and America found in fields and waste places and having median and upper leaves entire or toothed

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