Hypertext Webster Gateway: "fenestella"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Fenes-tella \Fen`es-tel"la\, n. [L., dim. of fenestra ? window.]
(Arch.)
Any small windowlike opening or recess, esp. one to show the
relics within an altar, or the like.
From WordNet (r) 1.7 (wn)
fenestella
n : oval or circular opening; to allow light into a dome or
vault [syn: {lunette}]
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