1. of, relating to, or resembling seaweed or kelp
Usage: rare; technical
2. painted or dyed; artificially colored
Usage: archaic

Examples

• The fucous deposits along the rocky shore indicated a rich marine ecosystem.
• Early naturalists studied fucous specimens to understand kelp biology.
• The fucous appearance of the fabric suggested it had been artificially treated.
• Fucous materials were common in textile production centuries ago.