[1] : The Collaborative International Dictionary of English v.0.48

candlemas \can"dlemas\, n. as. candelmaesse, candel candle +
   maesse mass.
   the second day of february, on which is celebrated the feast
   of the purification of the virgin mary; -- so called because
   the candles for the altar or other sacred uses are blessed on
   that day.
   1913 webster

[2] : WordNet (r) 2.0

candlemas
     n : feast day commemorating the presentation of christ in the
         temple; a quarter day in scotland syn: candlemas day,
         feb 2
see also:
candlemas day feb 2 

Candlemas >> C Words
Candlemas, definition of term: Candlemas
candlemas_pag1.html