a valve in the hull of a vessel for admitting outside water into some part of the hull, as a ballast tank.
(nautical) a valve in the hull of a vessel below the water line for admitting sea water or for pumping out bilge water
noun 1. any sirenian, as the manatee or dugong. 2. Obsolete. the hippopotamus. noun 1. any sirenian mammal, such as a dugong or manatee 2. an archaic name for walrus sea cow
or sea crawfish noun 1. spiny lobster.
noun 1. any echinoderm of the class Holothuroidea, having a long, leathery body with tentacles around the anterior end. sea cucumber noun 1. any echinoderm of the class Holothuroidea, having an elongated body covered with a leathery skin and bearing a cluster of tentacles at the oral end. They usually creep on the sea bed […]
noun 1. a garden plant, Coreopsis maritima, of the southwestern coast of North America, having long-stalked, solitary, yellow flower heads nearly 3 inches (7.6 cm) wide.