Definitions
from The Century Dictionary.
- An order of holothurians; one of two orders into which the class Holothuroidea is divisible (the other being Dipneumona or Pneumonophora).
from the GNU version of the Collaborative International Dictionary of English.
- noun plural (Zoöl.) An order of holothurians in which the internal respiratory organs are wanting; -- called also Apoda or Apodes.
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