noun fen·es·tel·la \ˌfenəˈstelə\

Definition of fenestella

  1. 1 plural -s a :  a niche like a window in the south wall of the sanctuary near the altar (as of a Roman Catholic church) containing the piscina and often also the credence b :  a small window or opening like a window (as in an altar front for allowing relics within to be seen)

  2. 2 capitalized [New Latin, from Latin, small window] :  a genus (the type of the family Fenestellidae) of Paleozoic bryozoans whose colonies form lacy fronds — compare lace bryozoan

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Origin and Etymology of fenestella

Latin, small opening or window, diminutive of fenestra window

Seen and Heard

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capable of being understood in two ways

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