urchin
101slate-pencil sea urchin — noun : a large purple sea urchin (Heterocentrotus mammillatus) having stout heavy spines that resemble slate pencils …
102sea urchin — noun Date: 1591 any of numerous echinoderms (class Echinoidea) that are usually enclosed in thin brittle globular tests covered with movable spines …
103sea-urchin cactus — ▪ plant any of the genus Echinopsis, family Cactaceae, with 50–100 species native to South America at medium elevations in desert shrublands or grasslands. Several species, but most especially the Easter lily cactus (E. multiplex), are valued… …
104street urchin — noun A child who lives, or spends most of their time, in the streets; often a petty thief or pickpocket …
105sea urchin — noun Any of many marine echinoderms, of the class Echinoidea, commonly found in shallow water, having a complex chewing structure named Aristotles lantern Syn: hurcheon …
106sea urchin — sea ur·chin (seґ urґchin) any of various marine animals of the class Echinoidea, having round bodies enclosed in a shell with spiny processes and pedicellariae protruding from it. Genera such as Diadema and Echinothrix may secrete venom from… …
107sea urchin — spherical sea creature with a spiny exterior …
108sea urchin — noun a marine echinoderm which has a spherical or flattened shell covered in mobile spines, with a mouth on the underside and calcareous jaws. [Class Echinoidea.] …
109sea-urchin — n. Sea egg, sea hedgehog, echinus …
110sea urchin — noun (C) a small round sea animal that has a hard shell, sometimes with sharp points …
