01 n. One of a peculiar kind of cups, or calicles, found upon hydroids of the family Plumularidae. They contain nematocysts. See Plumularia.
pl.
Nematocalyces, Nematocalyxes ((#))
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1.
One of a peculiar kind of cups, or calicles, found upon hydroids of the family Plumularidae. They contain nematocysts. See Plumularia.(Zool.) See: Plumularia