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Noun: tube foot  t(y)oob fût
  1. Tentacular tubular process of most echinoderms (starfish and sea urchins and holothurians) having a sucker at the end and used for e.g. locomotion and respiration
    "The starfish used its tube feet to pry open a clam shell"

Derived forms: tube feet

Type of: foot, invertebrate foot

Part of: echinoderm

Encyclopedia: Tube foot