Subumbrella

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Subumbrella (Zoöl) The integument of the under surface of the bell, or disk-shaped body, of a jellyfish.
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Century Dictionary and Cyclopedia
    • n subumbrella The internal ventral or oral disk of a hydrozoan, as a jellyfish; the muscular layer beneath the umbrella or swimming-bell of a hydromedusan, continuous with the velum. If such an acaleph is likened to a woman's parasol, lined, then the lining is the subumbrella, the covering being the umbrella. Compare cut under Discophora.
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