Definition (Entry 1 of 2)

a usually molded or dipped mass of wax or tallow containing a wick that may be burned (as to give light, heat, or scent or for celebration or votive purposes)
something resembling a candle in shape or use //a sulfur candle for fumigating
required effort, expense, or trouble —usually used in the phrase not worth the candle
candela
a thin, upright new shoot forming from a terminal bud on a pine tree in the spring //Pines grow from the branch tips, which elongate into "candles" in spring, then fatten into mature, needle-covered branches. To minimize pine growth, just pinch off the ends of the candles. — Jim McCausland et al.

ultrasafe