coquina a soft rock formed of shells and coral, used in building. lory one of several small parrots feeding on nectar. tombolo a sandbar connecting an island to another, or to the mainland. o-o an extinct Hawaiian bird. Dutch wife an open framework used in bed in tropical countries to rest one's limbs on. nyctitropic (bot.) assuming a different position at nightfall, as certain plants' leaves. arenicolous living in sand. lagan (law) an item sunk in the sea, with a buoy attached. benthos the fauna of the ocean depths. sapropel mud, composed mostly of decayed organic matter, at the bottom of a stagnant water.