lamp shade(n = noun.artifact) lampshade - a protective ornamental shade used to screen a light bulb from direct view;
is a kind of shade
is a part of lamp

   a protective ornamental covering used to screen the light bulb in a lamp from direct view. [WordNet 1.5]

aladdin's lamp, arc lamp, argand lamp, blast lamp, carbon arc lamp, carcel lamp, davy lamp, discharge lamp, electric lamp, electric-discharge lamp, flash lamp, flood lamp, floor lamp, fluorescent lamp, fresnel lamp, gas lamp, gas-discharge lamp, glow lamp, heat lamp, hurricane lamp, incandescent lamp, indicator lamp, infrared lamp, kerosene lamp, kerosine lamp, lady with the lamp, lamp, lamp chimney, lamp house, lamp housing, lamp oil, lamp shell, mercury-vapor lamp, neon induction lamp, neon lamp, oil lamp, pilot lamp, quartz lamp, reading lamp, rear lamp, riding lamp, safety lamp, shade, shade off, shade tree, sodium-vapor lamp, sodium-vapour lamp, spirit lamp, storm lamp, street lamp, student lamp, sun lamp, sun-ray lamp, sunray lamp, table lamp, tail lamp, tungsten lamp, ultraviolet lamp, window shade