Porthole
[n] an opening (in a wall or ship or armored vehicle) for firing through
[n] a window in a ship or airplane
Related Information
Related Terms
air hole, armhole, bay, bay window, blowhole, bow window, bullet-hole, bunghole, casement, casement window, cringle, deadeye, eye, eyelet, fan window, fanlight, gasket, grille, grommet, guide, keyhole, knothole, lancet window, lantern, lattice, light, loo