Fenestra
[n] a small membrane-covered opening (especially one in the bone between the middle and inner ear)
Related Information
Related Terms
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