apertures, gaps, holes, slots, vents, breaches, cracks, fissures, orifices, entrances, doorways, portals, windows, passages, outlets, inlets, breaks, clefts, chinks, interstices, voids, spaces, lacuna... [more]
apertures, gaps, holes, slots, vents, breaches, cracks, fissures, orifices, entrances, doorways, portals, windows, passages, outlets, inlets, breaks, clefts, chinks, interstices, voids, spaces, lacuna... [more]