sea urchinnoun [ C ]
uk/ˈsiː ˌɜː.tʃɪn/us/ˈsiː ˌɝː.tʃɪn/a small sea creature that lives in water that is not very deep, has a round shell covered with sharp points like needles, and has flesh that can be eaten
Thesaurus: synonyms and related words
Sea creatures
- abalone
- amphipod
- barnacle
- bivalve
- cephalopod
- crab
- crayfish
- crustacean
- cuttlefish
- echinoderm
- mollusc
- mussel
- octopus
- oyster
- periwinkle
- shrimp
- squid
- starfish
- teredo
- trilobite
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