any member of the arthropod class Pycnogonida, marine invertebrates with eight long walking legs attached to a small body consisting of a cephalothorax and vestigial abdomen.
a small marine arachnid, having four pairs of legs and somewhat resembling a spider, unusual in that the male carries the eggs once they are laid and cares for the offspring
noun 1. the blowfish: used especially on menus as a euphemism.
noun 1. any tunicate, especially a sessile ascidian, so called from its habit of contracting its body and ejecting streams of water when disturbed. noun 1. any minute primitive marine animal of the class Ascidiacea, most of which are sedentary, having a saclike body with openings through which water enters and leaves See also ascidian […]
noun 1. a pillarlike mass of rock detached by wave action from a cliff-lined shore and surrounded by water.
noun 1. starfish.