1. Plural of fucus; types of seaweed or algae, especially brown algae of the genus Fucus.
Usage: botanical; technical
2. Plural of fucus; cosmetic paint or dye used to color the face or lips.
Usage: archaic; historical

Examples

• The rocky shore was covered with various fucuses clinging to the rocks.
• Marine biologists collected samples of fucuses to study their growth patterns.
• In ancient times, women applied fucuses to enhance their appearance.
• The fucuses in this tidal pool are particularly vibrant this season.
• Different species of fucuses thrive in different water temperatures.