from The Century Dictionary.
- noun A genus of gastropodous mollusks, typical of the family Cyclophoridæ, or referred to the family Cyclostomidæ.
from the GNU version of the Collaborative International Dictionary of English.
- noun a genus of tropical Old World ferns having closely crowded circular sori and no indusia.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun tropical Old World ferns having closely crowded circular sori and no indusia
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