| 单词 | cake urchin |
| 释义 | > as lemmascake urchin cake urchin n. any of various sea urchins, esp. of the order Clypeasteroida, having a round and flattened or globular shape.Other names for some of these sea urchins include sand dollar, sand cake, and sea biscuit. [Originally after scientific Latin Echinus placenta ( Linnaeus Systema naturae (ed. 10, 1758) I. 666).] ΚΠ 1841 E. Forbes Hist. Brit. Starfishes 179 The Cake-Urchin is allied to several genera, presenting very singular and eccentric forms,—forms which may be regarded as linking the Sea-Urchins with the true Starfishes. 1908 R. Hanitsch Guide Zool. Coll. Raffles Mus. 93 Sea-Urchins are divided into three orders, the Regular Urchins (Regularia), the Cake Urchins (Clypeastroidea), and the Heart Urchins (Spatangoidea). 1984 Jrnl. Crustacean Biol. 4 572 Two more species are symbionts of cake urchins. 2010 L. M. Martin & S. M. Slack-Smith Sea Stingers 207 This very common tropical Indo West Pacific sea urchin [sc. Tripeustes gratilla], sometimes known as the cake urchin, lives on coral reefs and limestone platforms. < as lemmas |
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