sea cucumber sea crow • sea cudweed · · · Info · Definitions · Synonyms · Characters · · sea cucumber · · Text Common · · Latin · · Scripts 12 · · Length Definitions · · · (noun) echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders. Synonyms: holothurian. · · Noun Definition 1 Synonyms · · · ocean · · Synonym 1 sea · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 m latin small letter m U+006D r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075