fenestration: Meaning and Definition of

fen•es•tra•tion

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.