noun
- any of various plants with white or cotton-like fibers, especially cudweed or certain species of Froelichia
Usage: botanical
Examples
- The cottonweed grew wild along the roadside.
- Botanists identified several species of cottonweed in the prairie.
- The white, fluffy seeds of cottonweed dispersed in the wind.
- Cottonweed is often found in dry, sandy soils.
- The field was dotted with patches of cottonweed.