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Meaning of fenestration

fen•es•tra•tion

Pronunciation: (fen"u-strā'shun), [key]
— n.
  1. the design and disposition of windows and other exterior openings of a building.
  2. an ornamental motif having the form of a blind arcade or arch, as in medieval cabinetwork.
    1. a perforation in a structure.
    2. an operation to effect such an opening.
    3. Also calledfenestra&prim;tion opera&sec;tion,Lempert operation.the creation of an artificial opening into the labyrinth of the ear to restore hearing loss from otosclerosis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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