| Hole |  | Aristarchus, Carlsbad_Caverns, Copernicus, Ranvier's_nodes, air-intake, air_hole, air_horn, air_shaft, air_well, amniotic_cavity, aortic_orifice, aperture, armhole, barbecue_pit, bell, birth_canal, blank, blankness, blowhole, bolt-hole, bore, bore-hole, borrow_pit, breach, bullet_hole, bunghole, bursa_omentalis, button_hole, buttonhole, caldera, canalis_cervicis_uteri, canalis_vertebralis, cavern, cavity, cervical_canal, channel, chap, chasm, chest_cavity, chink, chuckhole, cleft, costal_groove, countersink, cove, crack, cranial_cavity, crannied, cranny, crater... |