Definition of lantern :
1. A cage or open chamber of rich architecture, open below into the building or tower which it crowns.
2. A kind of cage inserted in a stuffing box and surrounding a piston rod, to separate the packing into two parts and form a chamber between for the reception of steam, etc. ; - called also lantern brass.
3. A lantern pinion or trundle wheel. See pinion ( below).
4. A perforated barrel to form a core upon.
5. A smaller and secondary cupola crowning a larger one, for ornament, or to admit light; such as the lantern of the cupola of the Capitol at Washington, or that of the Florence cathedral.
6. An open structure of light material set upon a roof, to give light and air to the interior.
7. See Aristotle's lantern.
8. Something inclosing a light, and protecting it from wind, rain, etc. ; -- sometimes portable, as a closed vessel or case of horn, perforated tin, glass, oiled paper, or other material, having a lamp or candle within; sometimes fixed, as the glazed inclosure of a street light, or of a lighthouse light.
9. To furnish with a lantern; as, to lantern a lighthouse.
light source (part of speech: noun)
moon, oil lamp, arc lamp, pilot light, light bulb, taper, illuminator, fluorescent light, desk light, jack-o'-lantern, moonbeam, incandescent light, lamp, light, sun, star, klieg light, flashlight, tungsten lamp, torch, headlight, beacon, table lamp, candle, flame, fire, street lamp, mercury-vapor lamp, spotlight, floor lamp, floodlight, neon light, flare, searchlight
- Oh, I'll take a lantern! - "A Pair of Clogs", Amy Walton.
- When she had mounted I took the old pony by the head and led him out, carrying the lantern in my hand. - "Jim Davis", John Masefield.
- He stood at the door of his tent, holding his lantern high to watch the Sarki and his servants ride off into the darkness. - "Blind Man's Lantern", Allen Kim Lang.