fenestra

fe·nes·tra  (f-nstr)

n. pl. fe·nes·trae (-tr)

1. Anatomy A small opening, especially either of two windowlike apertures in the medial wall of the middle ear.

2. The opening in a bone made by surgical fenestration.

3. Zoology A transparent spot or marking, as on the wing of a moth or butterfly.

4. Architecture A windowlike opening.

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[Latin, window.]

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fe·nestral adj.

Thesaurus

Noun

1.

fenestra - a small opening covered with membrane (especially one in the bone between the middle and inner ear) orifice, porta, opening - an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart" ear - the sense organ for hearing and equilibrium fenestra of the vestibule, fenestra ovalis, fenestra vestibuli, oval window - fenestra that has the base of the stapes attached to it fenestra cochleae, fenestra of the cochlea, fenestra rotunda, round window - fenestra leading into the cochlea otology - the branch of medicine concerned with the ear