sea cucumber
US /ˈsiː ˌkjuː.kʌm.bər/
UK /ˈsiː ˌkjuː.kʌm.bər/

1.
concombre de mer
a marine echinoderm with a leathery skin and an elongated body, found on the seabed. They are typically detritus feeders.
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The diver spotted a colorful sea cucumber on the coral reef.
Le plongeur a repéré un concombre de mer coloré sur le récif corallien.
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Some cultures consider sea cucumber a delicacy.
Certaines cultures considèrent le concombre de mer comme une délicatesse.