fenestra

• POS: Noun
• HYPHEN: fe=nes=tra

CIDE DICTIONARY

fenestra, n. [L., a window.].

 A small opening; esp., one of the apertures, closed by membranes, between the tympanum and internal ear.  [1913 Webster]

OXFORD DICTIONARY

fenestra, n. (pl. fenestrae)
1 Anat. a small hole or opening in a bone etc., esp. one of two (fenestra ovalis, fenestra rotunda) in the inner ear.
2 a perforation in a surgical instrument.
3 a hole made by surgical fenestration.

Etymology

L, = window

THESAURUS

fenestra

aperture, broaching, cavity, chasm, check, clearing, cleft, crack, disclosure, fistula, fontanel, foramen, gap, gape, gat, gulf, hiatus, hole, hollow, inlet, interval, lacuna, laying open, leak, opening, opening up, orifice, outlet, passageway, pore, slot, space, split, stoma, throwing open, uncorking, unstopping, yawn