fenestella

Definitions

  • WordNet 3.6
    • n fenestella oval or circular opening; to allow light into a dome or vault
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Chambers's Twentieth Century Dictionary
    • n Fenestella fen-es-tel′a a niche on the south side of an altar, containing the piscina, and sometimes the credence: a genus of Polyzoa, like the recent 'lace coral,' very common in Palæozoic rocks.
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Etymology

Chambers's Twentieth Century Dictionary
L., dim. of fenestra, a window.