any echinoderm of the class Echinoidea, having a somewhat globular or discoid form, and a shell composed of many calcareous plates covered with projecting spines.
a tall evergreen shrub or small tree, Hakea laurina, of Australia, having narrow leaves and dense, globe-shaped clusters of crimson flowers with long yellow stamens.
any echinoderm of the class Echinoidea, such as Echinus esculentus (edible sea urchin), typically having a globular body enclosed in a rigid spiny test and occurring in shallow marine waters
- Sea vegetable
noun 1. an edible seaweed
noun 1. (George) Thomas (“Tom”; “Tom Terrific”) born 1944, U.S. baseball pitcher.
noun 1. a strong wall or embankment to prevent the encroachments of the sea, serve as a breakwater, etc. noun 1. a wall or embankment built to prevent encroachment or erosion by the sea or to serve as a breakwater
noun 1. a comb jelly, as of the genus Mnemiopsis, shaped like a walnut.