Noun holothuroidea has 1 sense
  1. Holothuroidea, class Holothuroidea - class of echinoderms including the sea cucumbers
    --1 is a kind of class
    --1 is a member of Echinodermata, phylum Echinodermata
    --1 has members: sea cucumber, holothurian; Holothuridae, family Holothuridae
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