Synonyms to placket hole

air hole, CAT, aerospace, aerosphere, air duct, air passage, air pocket, air shaft, air tube, airspace, airway, armhole, blowhole, breathing hole, bullet-hole, bump, bunghole, ceiling, cringle, crosswind, deadeye, empty space, eye, eyelet, favorable wind, fog, front, gasket, grommet, guide, head wind, high-pressure area, hole, ionosphere, jetstream, keyhole, knothole, loop, loophole, louver, louverwork, low-pressure area, manhole, mousehole, naris, nostril, overcast, peephole, pigeonhole, pinhole, placket, pocket, porthole, punch-hole, roughness, shaft, soup, space, spilehole, spiracle, stratosphere, substratosphere, tail wind, tap, touchhole, transom, tropopause, troposphere, trough, turbulence, vent, ventage, venthole, ventiduct, ventilating shaft, ventilator, visibility, visibility zero, wind tunnel, O, ambit, annular muscle, annulus, arc, arch, areola, association, aureole, band, bank, beat, begird, belt, belt in, bend, bend back, beset, bilge, blain, bleb, blister, blob, boss, bow, braid, break, broken circuit, bubble, bulb, bulge, bulla, bunch