1. A genus of large brown seaweeds (kelps) found in cold ocean waters, characterized by long blade-like fronds.
Usage: biology; often used in scientific contexts
2. A dried stem or frond of laminaria seaweed, used medically as a dilating agent in gynecological procedures.
Usage: medical; healthcare

Examples

• Laminaria grows abundantly along the rocky coasts of the North Atlantic.
• The kelp forest was dominated by several species of laminaria.
• Marine biologists study laminaria to understand ocean ecosystems.
• Laminaria is harvested commercially for use in food and cosmetics.
• The doctor used a laminaria tent to gradually dilate the cervix.