Definitions of candle:

• noun:   stick of wax with a wick in the middle
• noun:   the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin
• verb:   examine eggs for freshness by holding them against a light
• name:  A surname (very rare: popularity rank in the U.S.: #38441)