elasipod

 
Pronunciation: /ɪˈlasɪpɒd/

noun

Zoology
  • an aberrant deep-water sea cucumber that lacks a respiratory tree. Most live on the seabed and have leg-like appendages, while some swim by means of webbed papillae.
    • Order Elasipodida, class Holothuroidea

Origin:

late 19th century: from modern Latin Elasipoda, from Greek elasmos 'beaten metal' + pous, pod- 'foot'