candle (Noun) — Stick of wax with a wick in the middle.
candle (Noun) — The basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimetre of a black body radiating at the temperature of 2,046 degrees Kelvin.
candle (Verb) — Examine eggs for freshness by holding them against a light.