periscope Definition

telescope, scope, focus, eyepiece, binoculars, turret, gunsight, borescope, viewfinder, submarine, lens, magnifier, pinhole camera, stereoscope, monocle, conning tower, portholes, spyglass, bathysphere, bombsight, optical instrument, gimbals, submersible, gun turret, camera lens, inertial guidance, hatchway, bathyscaph, reticule, binnacle, keyhole, glassless, companionway, prow, joystick, quarterdeck, capstan, bathyscaphe, robot, gun emplacement, eyehole, antiaircraft gun, deckhouse, echo sounder, theodolite, midships, bimini, crosshead, hubble, deflector, sniper rifle, optical device, forepeak, minisub, camera, contraption, infrared, sextants, dirigible, yawing, cannon, parabolic reflector, binocle, directional antenna, magnifying glass, retroreflector, gimbal, hydrophone, gatling gun, oblique angle, convex lens, missle, fisheye, windage, slit trench, searchlights, centerboard, windlass, forecastle, ejector seat, antennae, wind vane, gunwale, pinhole, peashooter, windsock, lazarette, poop deck, camera obscura, geiger counter, image intensifier, propellers, tumblehome, pirate ship, gyrocompass, peephole, collimating, inertial navigation system, thumbwheel, ratlines,